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Product Overview Our product series includes Aeration System, Integrated Sewage Treatment Unit, Water Pump, Vertical Mixer, Sewage treatment equipment and submersible mixer. These water‑treatment devices are widely adopted in municipal sewage projects, industrial wastewater treatment, rural domestic sewage disposal and environmental protection engineering. Equipped with mature process design and strict quality inspection, the complete set of equipment realizes sewage lifting, mixing, aeration and biochemical treatment. Multiple product combinations can satisfy different‑scale wastewater treatment requirements. Core Product Advantages Integrated Sewage Treatment Unit is compact in overall layout. It integrates multiple treatment processes inside one unit, reducing civil‑construction investment and occupied space. Easy installation and commissioning shorten on‑site construction cycle, well‑suited for scattered domestic‑sewage treatment scenarios. Aeration System delivers uniform oxygen supply for biochemical pools. Stable aeration performance promotes microbial decomposition of organic pollutants, improving sewage treatment efficiency. Reasonable structural design lowers energy consumption during long‑time continuous operation. Water Pump undertakes sewage lifting and medium circulation tasks. Good anti‑clogging capability prevents blockage caused by fiber and solid impurities, ensuring stable medium transportation. It supports long‑term continuous running under complex wastewater conditions. Vertical Mixer and submersible mixer provide powerful stirring power. Submersible mixer works under water without extra noise, keeping solid‑state pollutants fully suspended inside the pool. Vertical mixer is suitable for pool‑top installation, convenient for inspection and daily maintenance. Both types effectively avoid sediment accumulation at tank bottom. All sewage treatment equipment passes factory simulation testing. Key components adopt corrosion‑resistant materials to extend service life in wastewater environment. Modular structure facilitates equipment upgrading and component replacement. Customization & Project Service We supply complete water‑treatment solutions for environmental‑protection contractors, engineering integrators and industrial clients. Customers can select Aeration System, Integrated Sewage Treatment Unit, Water Pump, Vertical Mixer, Sewage treatment equipment and submersible mixer according to sewage volume, water quality index and site condition. Non‑standard customized design is available for special‑working‑condition projects. Sample inspection and technical communication are supported before bulk delivery. Our technical team offers process consultation, model‑selection guidance and after‑sales service. Stable production capacity guarantees delivery time. Whether for municipal, industrial or rural sewage renovation projects, our sewage‑treatment‑equipment series provides dependable support for wastewater purification. Email: mr.yin@bluecollarwatertreatment.com   Mobile: +86 13813026198

Reliable Sewage treatment equipment including Submersible Mixer and Aeration System Efficient water‑treatment hardware is critical for stable operation of municipal sewage plants, industrial wastewater stations and integrated sewage treatment facilities. Our product lineup covers Aeration System, Integrated Sewage Treatment Unit, Water Pump, Vertical Mixer, Sewage treatment equipment and submersible mixer. These devices are widely applied in municipal wastewater treatment, aquaculture water conditioning and industrial sewage disposal projects. Optimized submersible mixer delivers reliable underwater stirring performance. The submersible mixer adopts streamlined large‑diameter propeller structure, generating large‑flow circulating water flow inside the tank. It prevents sludge sedimentation and maintains uniform mixing of sewage medium. Sealed waterproof structure adapts to long‑term underwater working environment, lowering failure probability. You can visit our water‑processing stirring equipment series for more structural‑design details. Complete supporting equipment forms systematic sewage‑treatment solutions. Vertical Mixer provides stable stirring power for various biochemical pools. Aeration System realizes oxygen supply for biochemical reaction, improving sewage degradation efficiency. Matching Water Pump undertakes water‑body circulation and lifting work. The Integrated Sewage Treatment Unit integrates multiple functional modules, realizing compact‑layout onsite sewage disposal. Check our integrated sewage‑treatment solution page to view more project references. Robust material selection and strict quality inspection extend service life. Core components of the whole set of Sewage treatment equipment adopt anti‑corrosion alloy and high‑strength composite materials, resisting erosion from sludge and corrosive wastewater. Every finished product passes tightness test, load test and simulated working condition inspection before delivery. The equipment keeps stable running under continuous‑operation conditions. Customized service supports global engineering partners. We provide both single‑device supply and whole‑station customized design. Our technical team offers parameter‑selection consultation, installation guidance and after‑sales maintenance suggestions. We supply cost‑effective sewage‑treatment hardware for engineering contractors,environmental‑protection companies and end‑users worldwide. Email: mr.yin@bluecollarwatertreatment.com   Mobile: +86 13813026198

Complete Portfolio of Professional Sewage Treatment Equipment The enterprise specializes in the R&D, manufacturing and customization of full-series sewage treatment equipment, covering aeration system, integrated sewage treatment unit, water pump, vertical mixer and submersible mixer. These professional devices are widely applied in municipal sewage treatment, industrial wastewater purification, residential community water treatment and environmental protection engineering projects. All products comply with international environmental protection standards, delivering stable, energy-saving and high-efficiency water treatment solutions for diverse water quality treatment scenarios. Core Advantages of Integrated Sewage Treatment Unit The integrated sewage treatment unit stands out for its compact structure and all-in-one functional design. It integrates filtration, purification, sedimentation and microbial treatment processes, effectively simplifying the traditional complex sewage treatment procedures. This modular unit features small floor space, convenient installation and flexible operation, perfectly solving the space limitation and high-cost problems of conventional treatment equipment. It can stably treat domestic and industrial sewage to meet discharge standards, achieving efficient and centralized water pollution control. High-Performance Mixing and Aeration System Vertical mixers and submersible mixers are core supporting equipment for sewage treatment systems. With optimized blade structure and stable driving performance, the two mixers realize uniform water body circulation, prevent sludge deposition and improve microbial reaction efficiency. The matched aeration system provides sufficient and uniform oxygen supply for sewage, accelerating organic matter decomposition and greatly improving sewage purification efficiency. All mixing and aeration devices feature low energy consumption, low noise and corrosion resistance for long-term continuous operation. Reliable Water Pump and One-Stop Service Support Supporting high-quality water pumps ensure stable water delivery and circulation of the entire treatment system, with strong pressure resistance and durable operation. The company provides integrated services including equipment design, production, on-site installation and after-sales maintenance. With reliable product quality and customized scheme design, it offers cost-effective and stable sewage treatment system solutions for global environmental protection engineering clients. Email: mr.yin@bluecollarwatertreatment.com   Mobile: +86 13813026198

  Complete Product Ecosystem Covers All Links of Wastewater Treatment An environmental protection equipment manufacturer has launched a full lineup of water treatment products, including aeration system, vertical mixer, integrated sewage treatment unit, sewage treatment equipment, water pump and submersible mixer. This integrated system covers sewage collection, mixing, aeration degradation, precipitation and drainage procedures, serving municipal sewage plants, industrial wastewater workshops, rural domestic sewage renovation projects and commercial wastewater treatment stations. Environmental engineering contractors and wastewater treatment operators can realize one-stop procurement of supporting equipment, unify operating standards and reduce the overall construction cycle of sewage treatment stations. Core Product Strengths: Energy Saving, Stable Operation and Compact Layout The aeration system adopts microporous aeration components with high oxygen utilization rate, which cuts power consumption during aerobic biochemical treatment effectively. Vertical mixers and submersible mixers deliver strong stirring thrust to prevent sludge sedimentation inside tanks and maintain uniform concentration of activated sludge. The integrated sewage treatment unit adopts modular compact design, occupying less land area and realizing automatic running without continuous manual supervision. Matching water pumps adopt cast iron or anti-corrosion stainless steel structures, featuring stable water delivery performance and excellent resistance to sewage corrosion. Every piece of sewage treatment equipment undergoes continuous water simulation operation testing before delivery to avoid malfunction in long-term outdoor working conditions. Modular Customization & Global Technical Support System The brand supports personalized modular combination according to sewage volume, pollutant concentration and site area of customers. It provides small sk-mounted integrated sewage equipment for scattered rural regions and large assembled sewage treatment systems for industrial parks. All equipment meets international wastewater discharge standards and passes environmental certification. Professional engineering teams offer site layout design, installation commissioning and regular maintenance services worldwide to optimize wastewater treatment efficiency for clients. Market Advantages for Environmental Engineering Partners By assembling stirring, aeration, pumping and integrated treatment devices into a complete solution, the manufacturer solves the industry pain of separate procurement and mismatched coordination of wastewater equipment. Featuring low energy consumption, modular assembly and automatic operation, this series of sewage treatment equipment has become the mainstream selection for urban and rural water environment governance projects around the world. Email: mr.yin@bluecollarwatertreatment.com Mobile Number: +86 13813026198

Lanling is a professional manufacturer of complete sewage treatment equipment, supplying supporting products including submersible mixer, vertical mixer, water pump and matched aeration system for integrated sewage treatment units in municipal wastewater, factory sewage and rural domestic sewage projects. The low-speed submersible mixer shown is key underwater stirring equipment for sewage pools. It is fitted with two large yellow polyurethane propeller blades with streamlined design, which delivers large flow, low shear and efficient long-distance pushing flow. The main motor housing adopts stainless steel fully sealed structure with multi-layer mechanical sealing structure, realizing long-term stable underwater operation and effectively preventing sewage infiltration. This mixer can uniformly mix sludge and water, avoid sediment deposition at the tank bottom, and cooperate with the aeration system to maintain sufficient dissolved oxygen for microbial degradation. Our full sewage equipment lineup covers vertical mixers, submersible water pumps, rotary aerators and all-in-one integrated sewage treatment units for different treatment capacities. All equipment passes strict anti-corrosion, water tightness and continuous operation tests. Custom power, propeller diameter and installation bracket solutions are available according to sewage tank parameters. To satisfy the upgrading demand of global environmental protection projects, Lanling will expand its environmental equipment assembly workshop in Q4 2026, continuously optimizing durable submersible mixers and complete sets of sewage treatment equipment. Tel：+86 13813026198  Email:mr.yin@bluecollarwatertreatment.com

Lanling Pump Industry, a professional manufacturer of fluid transportation pumping equipment, has launched its new integrated cast iron submersible sewage pump, a core drainage solution for municipal sewage treatment plants, construction sites, chemical workshops, residential community septic tanks and agricultural irrigation drainage projects. This submersible pump adopts full thickened cast iron shell with anti-corrosion black baking paint surface, featuring outstanding compressive and rust-proof performance for long-term submerged operation in sewage mixed with sediment, fiber and small solid particles. The built-in high-efficiency impeller structure realizes smooth passage of soft sundries to avoid pipeline clogging frequently seen in ordinary water pumps. Two circular lifting rings are installed on the top casing for convenient hoisting and maintenance without complex disassembly tools. A long waterproof rubber power cable with exposed multi-core terminals ensures stable power supply and prevents water seepage short circuit under deep water working conditions. The flange outlet interface matches standard industrial pipeline fittings for quick installation and connection. The R&D team completed underwater continuous operation, anti-clogging and salt spray aging tests to optimize motor waterproof sealing and impeller flow channel design. Multiple power, flow and lift specifications are available for OEM bulk orders for municipal engineering contractors and wastewater treatment equipment suppliers. The fully submersible design eliminates pump house construction costs and saves project space compared with ground-mounted pumps. To satisfy the booming global demand for reliable sewage drainage equipment, Lanling will upgrade its cast iron pump body casting and motor assembly production line in Q4 2026. The brand will keep developing submersible sewage pumps, clean water pumps and self-priming drainage pumps for fluid control engineering suppliers worldwide. Tel：+86 13813026198  Email:mr.yin@bluecollarwatertreatment.com

Lanling Environmental Equipment, a professional manufacturer of sewage treatment fluid mixing machinery, has released its new side-mounted diving agitator, a core processing device widely deployed in municipal sewage tanks, industrial wastewater pools and aquaculture water circulation systems. This side-entry mixer integrates a three-blade 304 stainless steel propeller and a sealed anti-corrosion diving cylinder. The streamlined impeller is precision cast to deliver powerful, uniform horizontal water circulation, preventing sludge sedimentation at the tank bottom and fully mixing activated sludge for biochemical degradation. The main flow cylinder adopts full welding sealing technology, paired with double-layer mechanical oil seals to block sewage penetration and protect the rear blue cast-iron gear reduction motor from water damage. The heavy-duty fixed base flange enables stable bolt installation on tank side walls without complicated underwater mounting frames. The R&D team completed long-duration underwater operation, corrosion resistance and flow rate testing to optimize propeller radian and motor energy efficiency, cutting power consumption by nearly 18% versus traditional mixing equipment. The stainless steel flow components resist acid, alkali and organic sewage corrosion, extending service life in harsh wastewater environments. Custom propeller diameters, motor power ratings and shaft lengths are supported for OEM bulk orders from environmental engineering contractors. To satisfy growing global demand for low-carbon sewage treatment machinery, Lanling will expand its diving equipment assembly workshop in Q3 2026. The enterprise will keep developing submersible mixers, aerators and sludge pumps for water treatment project suppliers worldwide. Tel：+86 13813026198  Email:mr.yin@bluecollarwatertreatment.com

Lanling, a professional manufacturer of stainless steel environmental sanitation equipment, has launched its brand-new long integrated stainless steel drainage trough, specially customized for slaughterhouses, meat processing plants, catering central kitchens and aquatic product cleaning workshops. This drainage channel is integrally formed with thickened 304 stainless steel plates, featuring outstanding corrosion resistance against meat blood, grease, cleaning disinfectants and salt water, avoiding rust and leakage in long-term humid environments. The internal multi-stage gradient filter grille design can intercept animal hair, food residues and solid debris to prevent pipeline blockage, while the detachable top cover plate brings convenient daily cleaning and waste pickup for workers. The overall sealed box structure effectively isolates peculiar smell and mosquitoes, complying with strict food hygiene and workshop sanitation inspection standards. The R&D team optimized the internal slope structure to ensure fast water flow without stagnant water after dozens of drainage simulation tests. Customizable total length, width and depth sizes are supported to match different workshop ground reconstruction projects. The seamless welding craft eliminates hidden dirt gaps and greatly reduces later maintenance frequency. Faced with growing overseas orders for food factory sanitation equipment, Lanling will expand its stainless steel sheet metal production line in Q4 2026. The enterprise will keep developing durable hygiene-grade drainage solutions to serve global food processing and livestock slaughter engineering contractors.

  Full-set Sewage Treatment Equipment Portfolio A complete set of water treatment facilities is launched to satisfy wastewater purification demands for municipal projects, chemical plants, breeding farms and industrial parks. The comprehensive product lineup includes Aeration System, Integrated Sewage Treatment Unit, Water Pump, Vertical Mixer, Sewage treatment equipment and submersible mixer. Covering sewage conveying, stirring aeration, solid-liquid separation and whole-process purification, these environmental devices deliver systematic water treatment solutions for global environmental protection contractors and industrial enterprises. Core Structure and Operational Advantages All sewage treatment equipment adopts corrosion-resistant alloy and anti-rust coating materials, adapting to high-acid and high-salinity sewage working conditions to extend service life. Sealed assembly structure prevents sewage leakage and odor diffusion, avoiding secondary environmental pollution. Optimized mechanical operation parameters lower energy consumption, cutting long-term operating costs of water treatment projects. Each device achieves targeted functional optimization. The aeration system outputs uniform oxygen flow to activate microbial decomposition and improve purification efficiency. Integrated sewage treatment units integrate multiple purification procedures, occupying less floor space and simplifying on-site installation. Matching water pumps feature stable water delivery pressure to guarantee continuous medium circulation. Vertical mixers and submersible mixers eliminate sediment deposition, realizing uniform sewage stirring and preventing pipeline blockage. Technical Service and Market Competitiveness The whole equipment series complies with international sewage discharge and environmental protection standards, passing professional waterproofing and pressure resistance tests. Manufacturers provide customized processing capacity, equipment size and process configuration services to fit on-site construction conditions. It supports one-stop services including scheme design, equipment debugging and operational training. Featuring low failure rate, easy maintenance and energy-saving performance, the full-range sewage treatment equipment reduces project investment risks. With reliable treatment effects and integrated supporting services, it gains wide recognition in the global environmental protection equipment industry.

Nanjing Blue Collar Environmental Technology Co., Ltd., a national high-tech enterprise with over 30 years of experience in environmental equipment manufacturing, has launched the CSB Submersible Solids Handling Pump for efficient conveyance of liquids containing debris, sludge, and other solid materials. This pump is designed for municipal wastewater treatment, industrial processing, and construction dewatering applications where reliable solids-handling capability is essential. The CSB pump features a hermetically sealed motor, robust impeller, and solids-handling casing that work together for efficient fluid and solids conveyance. The impeller design is optimized for handling solids of various sizes, preventing blockages and ensuring smooth operation even with abrasive materials. Constructed from durable materials, the pump withstands corrosive environments and delivers long-term stable performance. The submersible design allows for direct installation in wet wells, tanks, or pits, saving space and enabling continuous underwater operation. Key features include integrated lifting rings for easy installation and maintenance, a sealed electrical system for safety during submerged operation, and modular construction that facilitates quick part replacement and repairs, minimizing downtime. The pump also offers energy-efficient operation, achieving optimal pumping results with reduced power consumption. This product complements Blue Collar's comprehensive range of sewage treatment equipment, which includes aeration systems, vertical mixers, submersible mixers, and water pumps. The company also provides integrated sewage treatment units for decentralized applications such as rural communities and small industrial sites. All equipment is manufactured under ISO 9001 quality management standards and holds EU CE and RoHS certifications. Blue Collar's technical team offers non-standard customization services, adjusting power ratings, flow rates, and materials to meet specific project requirements. With a 15,000-square-meter production facility and a global sales network serving over 50 countries, the company provides on-site commissioning, operator training, and spare parts support from its Shanghai warehouse.

NANJING, China – Blue Collar Environmental Technology Co., Ltd. has introduced its high-efficiency surface aerator, a cutting-edge water treatment equipment designed to enhance oxygen transfer and improve water quality in wastewater treatment plants, aquaculture ponds, lakes, and industrial water reservoirs. This aeration system features a precision-engineered impeller that generates strong water circulation and fine air bubbles, significantly increasing air-water contact for rapid oxygen dissolution. The energy-efficient motor and optimized impeller design reduce power consumption while maximizing aeration performance. Constructed with robust corrosion-resistant materials, the aerator ensures long-term operation in diverse water environments with low-noise performance suitable for both urban and rural settings. As part of Blue Collar’s complete sewage treatment equipment line, this surface aerator complements vertical mixers, integrated sewage treatment units, water pumps, and submersible mixers. The company holds ISO 9001, EU CE, and RoHS certifications, serving over 50 countries worldwide including the United States, Germany, Japan, Australia, Brazil, and India.

NANJING, China – Blue Collar Environmental Technology Co., Ltd. has introduced its side entry through-wall mixer, a high-performance device engineered for efficient fluid agitation in chemical processing, wastewater treatment, pharmaceutical, and food processing industries. This vertical mixer alternative features a side-entry through-wall design that saves tank space and enables flexible installation in large vessels. The stainless steel impeller delivers strong mixing capability, ensuring uniform distribution of substances for chemical blending and sludge treatment. The corrosion-resistant construction withstands harsh environments, while the sealed mechanical design prevents liquid ingress into drive components. Modular construction allows easy maintenance and part replacement, minimizing downtime. As part of Blue Collar’s complete sewage treatment equipment line, this mixer complements aeration systems, integrated sewage treatment units, water pumps, and submersible mixers. The company holds ISO 9001, EU CE, and RoHS certifications, serving over 50 countries worldwide including the United States, Germany, Japan, Australia, Brazil, and India.

NANJING, China – Blue Collar Environmental Technology Co., Ltd. has introduced the BZP turntable aerator, a specialized equipment designed for efficient aeration in water treatment systems. This aeration system features a unique turntable design that enables uniform and extensive oxygen distribution in water bodies, effectively improving dissolved oxygen levels for biological processes. The aerator operates with high energy efficiency, reducing power consumption while achieving optimal aeration results. Constructed with durable, corrosion-resistant materials, it ensures long-term reliability in various water environments. The low-noise operation makes it suitable for both industrial and residential adjacent areas. The aerator is composed of multiple rotating discs with precision-engineered holes that create fine bubbles for maximum oxygen dissolution, incorporating a robust drive system for stable rotation. This sewage treatment equipment is ideal for municipal sewage treatment plants, industrial wastewater treatment facilities, aquaculture ponds, and landscape water bodies. Blue Collar also offers vertical mixers, integrated sewage treatment units, water pumps, and submersible mixers as part of its complete water treatment equipment portfolio.

NANJING, China – Blue Collar Environmental Technology Co., Ltd. has introduced its high-efficiency aeration system components alongside a customizable bar screen engineered for solid-liquid separation and filtration in municipal and industrial applications.   The customizable bar screen features a stainless steel frame and bar assembly with adjustable bar spacing to separate solids of different sizes. Its robust construction ensures durability and wear resistance in harsh operating environments. Corrosion-resistant materials guarantee longevity in wet or chemically active conditions, while the modular design allows for easy cleaning, maintenance, and part replacement.   This sewage treatment equipment is widely used in municipal wastewater treatment plants for removing large debris from influent water, as well as in industrial water treatment facilities for filtering solids in process water. Blue Collar’s comprehensive product line also includes aeration systems, vertical mixers, integrated sewage treatment units, water pumps, and submersible mixers. The company holds ISO 9001, EU CE, and RoHS certifications, serving over 50 countries worldwide.

NANJING, China – Blue Collar Environmental Technology Co., Ltd. introduces its jet aerator processing equipment, designed for efficient oxygen transfer and mixing in water and wastewater treatment processes. The jet aerator ensures sufficient oxygen supply for aerobic biological reactions while promoting uniform distribution of oxygen across treatment tanks. Featuring a conical nozzle and mixing chamber, the jet aerator creates a powerful suction effect to draw in air, achieving high oxygen transfer efficiency without complex mechanical components. The flanged design allows convenient installation in pipelines or treatment tanks. Constructed with corrosion-resistant materials, the equipment ensures durability in municipal and industrial wastewater environments. The jet aerator offers low energy consumption, simple structure, and easy maintenance, reducing operational complexity and downtime. It is widely used in municipal wastewater treatment plants for sludge activation, industrial wastewater treatment facilities for process water aeration, and aquaculture systems for increasing dissolved oxygen levels in fish ponds. As part of Blue Collar’s complete water treatment equipment lineup, the jet aerator complements submersible mixers, aeration systems, vertical mixers, and integrated sewage treatment units. For inquiries, visit www.llwatertreatment.com.

NANJING, China – Nanjing Blue Collar Environmental Technology Co., Ltd. introduces the QXB QFB self-priming submersible aerator, designed for efficient oxygen transfer and mixing in water and wastewater treatment. The unit features a submersible motor with radial blades that entrain air into water, achieving high oxygen transfer efficiency with low energy consumption. Built with corrosion-resistant materials and a sealed mechanical design, the aerator operates reliably in submerged conditions across municipal sewage plants, industrial wastewater facilities, and aquaculture ponds. Modular components allow easy maintenance and part replacement, minimizing downtime. The QXB QFB aerator supports sludge activation, biological degradation, and dissolved oxygen increase in fish ponds. It plays a key role in improving water quality and maintaining ecological balance. For inquiries, contact Nanjing Blue Collar Environmental at www.llwatertreatment.com.

NANJING, China – The first submersible mixer Blue Collar shipped in 1990 is reportedly still running in a Jiangsu plant. Thirty-six years later, the company now ships over 5,000 units annually to five continents. Nanjing Blue Collar Environmental Technology Co., Ltd. never intended to be famous. It just kept solving the same problem: keeping solids suspended in water without breaking down. That focus gave birth to its permanent magnet submersible mixer, which cuts energy use by nearly one third compared to conventional models. Today, the company’s integrated sewage treatment unit combines mixing, aeration, and pumping into one skid. The aeration system delivers 2.5 kgO₂ per kWh. The vertical mixer eliminates dead zones in oxidation ditches. The water pump handles solids up to 50mm without clogging. Four utility model patents protect key innovations: a new reducer, an adjustable mounting bracket, and a folded rear blade sealing structure. CE certified. RoHS compliant. Two-year warranty. Over 50 countries trust Blue Collar’s sewage treatment equipment, from the United States and Germany to Brazil and India. For inquiries, visit www.llwatertreatment.com.

Nanjing Blue Collar Environmental – Reliable Aeration Systems, Vertical Mixers, Integrated Sewage Treatment Units, Sewage Treatment Equipment, Water Pumps, and Submersible Mixers NANJING, China – Nanjing Blue Collar Environmental Technology Co., Ltd., established in 1989, is a national high-tech enterprise with over 30 years of expertise in environmental protection equipment manufacturing. Located in Nanjing Jiangbei New Area, the company operates a comprehensive ecosystem that includes a technical R&D center, production and manufacturing center, quality testing center, provincial-level maker space, and environmental incubator. The company's extensive product portfolio covers aeration systems, vertical mixers, integrated sewage treatment units, sewage treatment equipment, water pumps, and submersible mixers. Key products include standard, energy-saving, permanent magnet, and stainless steel submersible mixers, submersible flow promoters, MBBR media fluidization flow promoters, submersible return pumps, axial flow pumps, deep-water mixing aerators, centrifugal aerators, jet aerators, and various non-standard equipment such as bar screeners, shaftless screw conveyors, sludge scrapers, and sand-water separators. Blue Collar Environmental holds four utility model patents and has obtained ISO 9001 certification, EU CE Certification (Certificate No.: M.2025.206.C116609), and RoHS Directive Compliance Certification (Certificate No.: CE-4030-150425). Products are widely used in municipal sewage treatment, industrial wastewater purification (petrochemical, food, pharmaceutical, mining), aquaculture tailwater treatment, water reuse projects, and rural sewage disposal. With over 25 senior engineers in the R&D team and an annual output of over 5,000 units for core products, the company serves customers in more than 50 countries and regions, including the United States, Germany, the United Kingdom, Japan, Australia, Brazil, and India. Blue Collar Environmental provides a 2-year warranty and lifetime technical support for all products. Contact Information:Nanjing Blue Collar Environmental Technology Co., Ltd.Phone: +86 13669005556 (Please confirm if this is correct for Blue Collar)Website: http://www.llwatertreatment.com/Address: Nanjing Jiangbei New Area, China (Full address not provided in the text)

NANJING, China – A municipal sewage plant in Germany recently replaced its old agitators with Blue Collar's permanent magnet submersible mixers and cut electricity consumption by nearly a third. The equipment comes from Nanjing Blue Collar Environmental Technology Co., Ltd., a company that has been building sewage treatment equipment since 1989. Located in Nanjing Jiangbei New Area, Blue Collar manufactures aeration systems, vertical mixers, integrated sewage treatment units, water pumps, and submersible mixers. Its product line also includes submersible flow promoters, MBBR media fluidization mixers, deep-water aerators, centrifugal and jet aerators, and solid-liquid separation units such as bar screeners and sludge scrapers. The company holds four utility model patents covering a new reducer for water treatment, an adjustable mounting bracket, and a folded rear blade sealing structure. ISO 9001, EU CE, and RoHS certifications are in place. Annual output exceeds 5,000 units for core products, with large municipal orders completed in 30 to 45 working days. Blue Collar serves over 50 countries including the United States, Germany, Japan, Australia, Brazil, and India. A two-year warranty backs standard equipment with lifetime technical support. For inquiries, contact the foreign trade team at +86 18655169811 or visit www.llwatertreatment.com.

NANJING, China – Nanjing Blue Collar Environmental Technology Co., Ltd., established in 1989, is a national high-tech enterprise with over 30 years of expertise in environmental protection equipment manufacturing. The company specializes in submersible mixers, aeration systems, vertical mixers, water pumps, integrated sewage treatment units, and other sewage treatment equipment for municipal and industrial applications. Located in Nanjing Jiangbei National New Area, the company operates a 15,000-square-meter manufacturing facility with advanced CNC machining centers, automated welding robots, and laser cutting machines. Blue Collar Environmental holds ISO 9001, EU CE, and RoHS certifications, along with four utility model patents covering key technologies in mixers and sealing structures. The product portfolio includes standard, energy-saving, permanent magnet, and stainless steel submersible mixers, submersible flow promoters, MBBR media fluidization mixers, submersible return pumps, axial flow pumps, deep-water mixing aerators, centrifugal and jet aerators, paddle and helical mixers, as well as bar screeners, shaftless screw conveyors, sludge scrapers, and sand-water separators. With annual output exceeding 5,000 units for core products, the company serves customers in over 50 countries including the United States, Germany, the United Kingdom, Japan, Australia, Brazil, and India. Blue Collar Environmental remains committed to craftsmanship and technological innovation, providing reliable and efficient solutions for global water treatment and sustainable development.