As the global environmental landscape evolves in 2025, the demand for high-performance, cost-effective Sewage Treatment Plant solutions is growing rapidly. China has emerged as the premier manufacturing hub for these systems, offering everything from massive municipal infrastructure components to compact, decentralized units.
Leading Chinese manufacturers have moved beyond simple fabrication; they now integrate advanced technologies like MBR (Membrane Bioreactor), FMBR, and AI-driven smart control systems into their Sewage Treatment Plant designs. For international buyers, sourcing from China offers a balance of advanced engineering and competitive pricing. Based on comprehensive market analysis, here are the Top 10 Sewage Treatment Plant Manufacturers in China for 2025.
_1763604702_WNo_1828d890.webp)
Company Profile:
Beijing Enterprises Water Group (BEWG) is a heavyweight in the Asian water sector, operating as a fully integrated service provider that designs, builds, and manufactures equipment for large-scale municipal Sewage Treatment Plants. With a focus on "Smart Water" initiatives, BEWG integrates digital twin technology and automated control systems into their plant designs. Their massive manufacturing capabilities allow them to supply critical infrastructure components for urban sewage projects, ensuring that plants operate with high energy efficiency and meet China's rigorous Class IV surface water discharge standards.
Beyond standard municipal projects, BEWG has developed a comprehensive portfolio of ecological solutions, including advanced oxidation units and aeration systems tailored for upgrading existing facilities. Their Sewage Treatment Plant solutions are widely deployed across China and in Belt and Road Initiative countries, where they provide end-to-end engineering packages that handle millions of tons of wastewater daily, helping cities manage their water cycle sustainably.
Establishment: 2008
Headquarters: Beijing, China
Main Products:
Company Profile:
OriginWater is recognized globally as a high-tech powerhouse in membrane technology, fundamentally changing how a modern Sewage Treatment Plant is designed. They specialize in Membrane Bioreactor (MBR) technology, which replaces traditional secondary sedimentation tanks with high-performance membranes, significantly reducing the plant's physical footprint while producing high-quality reclaimed water. OriginWater’s expertise allows them to tackle severe water scarcity issues by converting municipal sewage directly into a resource for industrial or urban reuse.
Their flagship innovation is the "Intelligent Compact Wastewater Treatment System" (CWT), a highly integrated Sewage Treatment Plant product designed for decentralized applications. This system packages world-class MBR technology into skid-mounted or containerized units, making it ideal for rural villages, scenic spots, and highway service areas. By standardizing the manufacturing of these plants, OriginWater ensures consistent effluent quality and rapid deployment capabilities for clients worldwide.
Establishment: 2001
Headquarters: Beijing, China
Main Products:
Company Profile:
Shandong Better is a leading export-oriented manufacturer dedicated to producing integrated and packaged Sewage Treatment Plant equipment. Known for their robust mechanical engineering, they provide modular solutions that are pre-assembled and tested in the factory to minimize on-site construction work. Their systems are particularly popular in the international market for treating wastewater from hospitals, hotels, and small industrial parks, offering a "plug-and-play" experience that simplifies the complex process of biological treatment.
In addition to the core biological units, Shandong Better manufactures the essential supporting equipment that keeps a Sewage Treatment Plant running smoothly. This includes high-efficiency Dissolved Air Flotation (DAF) systems for pre-treatment and screw presses for sludge management. Their ability to deliver a complete, containerized Sewage Treatment Plant solution—from inlet screening to outlet disinfection—makes them a top choice for projects requiring rapid installation and reliable performance.
Establishment: 2009
Headquarters: Zhucheng, Shandong, China
Main Products:
Company Profile:
Located in Yixing, the heart of China's environmental manufacturing cluster, Jiangsu Holly Technology serves as a critical equipment supplier for the global Sewage Treatment Plant industry. They specialize in the mechanical "muscles" of the plant, focusing on sludge dewatering, polymer dosing, and aeration technologies. Their engineering team works closely with plant designers to provide customized mechanical solutions that ensure the long-term stability and efficiency of biological treatment processes in harsh operating environments.
Jiangsu Holly’s portfolio is essential for the modernization and upgrading of aging Sewage Treatment Plants. They provide advanced dewatering systems that significantly reduce sludge volume, lowering disposal costs for plant operators. By integrating their automatic dosing systems and durable conveyors, they help clients achieve a higher level of automation, reducing the manual labor required to operate large-scale sewage facilities.
Establishment: 2007
Headquarters: Yixing, Jiangsu, China
Main Products:
Company Profile:
JDL Global is a pioneer in the field of decentralized water pollution control, offering a revolutionary approach to the traditional Sewage Treatment Plant. Their core innovation is the FMBR (Facultative Membrane Bioreactor) technology, which simultaneously removes carbon, nitrogen, and phosphorus in a single reaction tank. This breakthrough technology eliminates the need for primary sedimentation, anaerobic tanks, and aerobic tanks, allowing them to build "Garden-style" plants that are odor-free and blend seamlessly into residential communities.
The unique advantage of JDL’s Sewage Treatment Plant solution is the significant reduction of organic sludge discharge, which solves a major headache for municipal operators. Their equipment utilizes the Internet of Things (IoT) for remote central monitoring, enabling thousands of decentralized rural plants to be managed from a single control room. This makes JDL a leader in rural sewage treatment, where low maintenance and high automation are critical requirements.
Establishment: 2004
Headquarters: Nanchang, Jiangxi, China
Main Products:
Company Profile:
Benenv Co., Ltd. combines Japanese technological precision with Chinese manufacturing scale to deliver high-efficiency equipment for the Sewage Treatment Plant sector. They are best known for their Multi-Disk Screw Press, a technology that has become a standard for sludge dewatering in plants across Asia. Benenv focuses on solving the difficult problems of sludge management and energy consumption, providing equipment that is self-cleaning, clog-free, and operates with very low power consumption compared to traditional centrifuges.
Beyond sludge handling, Benenv manufactures compact, integrated biological Sewage Treatment Plant units designed for industrial applications. These units are engineered to handle high-concentration wastewater and fluctuating loads, ensuring compliance even under stress. Their "Elliptical Wave Aerator" technology further enhances oxygen transfer efficiency in aeration tanks, helping operators reduce the carbon footprint of their wastewater facilities.
Establishment: 2007
Headquarters: Yixing, Jiangsu, China
Main Products:
Company Profile:
Qingdao Yimei Environment is a specialist in non-standard equipment design, providing custom-engineered solutions for complex Sewage Treatment Plant projects. Based in the coastal city of Qingdao, they have extensive experience in fabricating physical-chemical treatment systems, such as advanced sedimentation tanks and flotation units. Their strength lies in their ability to tailor equipment dimensions and materials to fit specific site constraints or aggressive industrial wastewater characteristics.
For a complete Sewage Treatment Plant, Yimei provides the essential pre-treatment and clarification stages that protect biological systems. Their portfolio includes robust mechanical bar screens, grit removal systems, and peripheral drive scrapers for large clarifiers. By offering a one-stop manufacturing service for these critical components, Yimei ensures that the entire treatment train—from inlet to outlet—is synchronized for maximum performance.
Establishment: 1998
Headquarters: Qingdao, Shandong, China
Main Products:
Company Profile:
Wuxi Gongyuan is a niche technology leader focusing intensely on flotation technology, a critical pre-treatment step for many industrial Sewage Treatment Plants. While they do not always build the entire biological reactor, their specialized DAF (Dissolved Air Flotation) systems are the "kidneys" of the plant, effectively removing suspended solids, oils, and grease before the water enters the biological stage. Their micro-nano bubble technology represents the cutting edge of Chinese separation science.
Gongyuan’s equipment acts as a vital safeguard for Sewage Treatment Plants, particularly in industries like petrochemicals, paper, and textiles. Their modular DAF units can be rapidly integrated into existing plants to upgrade performance or expand capacity. By focusing on this specific stage of treatment, they have achieved a level of precision and efficiency that helps downstream biological processes operate without interference from heavy solid loads.
Establishment: 2006
Headquarters: Wuxi, Jiangsu, China
Main Products:
_1763604981_WNo_1844d820.webp)
Company Profile:
Grandblue Environment is a major comprehensive environmental service provider in the Pearl River Delta, specializing in high-difficulty industrial and park-level Sewage Treatment Plants. Their expertise bridges the gap between solid waste management and water treatment, allowing them to design plants that handle complex effluents like landfill leachate and industrial sludge. Grandblue is a leader in the "Zero Waste City" concept, integrating sewage treatment with energy recovery systems to create circular economy loops.
Their manufacturing and engineering teams deliver heavy-duty Sewage Treatment Plant solutions capable of meeting the strictest discharge standards in China. They focus on robust biological processes and advanced tertiary treatment for industrial parks where water reuse is mandatory. Grandblue’s holistic approach ensures that the sewage plant is not just a disposal facility, but a resource recovery center for energy and reclaimed water.
Establishment: 1992
Headquarters: Foshan, Guangdong, China
Main Products:
Company Profile:
Yangzhou Ryde is a dedicated manufacturer of the headworks and conveying systems that form the foundation of every Sewage Treatment Plant. Without reliable screening, downstream pumps and aerators would fail; Ryde addresses this by producing high-quality stainless steel mechanical bar screens and grit removal equipment. Their products are the first line of defense in a sewage plant, designed to intercept debris and inorganic solids with high capture rates.
Ryde’s engineering focuses on durability and material science, ensuring that their shaftless screw conveyors and screens can withstand the corrosive atmosphere of a Sewage Treatment Plant. They supply these critical components to plant builders across China and overseas, ensuring that the flow of wastewater is smooth and uninterrupted. Their equipment is modular and customizable, fitting seamlessly into both new channel designs and retrofit projects.
Establishment: 2011
Headquarters: Yangzhou, Jiangsu, China
Main Products:
In 2025, China’s Sewage Treatment Plant industry has formed a mature ecosystem. The Top 10 Manufacturers listed above are the leaders in large-scale infrastructure and system integration, driving the industry forward.
However, a high-performing plant requires more than just civil engineering; it relies on precise process technology. This is where specialized manufacturers like Weilan contribute value. By focusing on core treatment modules—such as Lamella Settlers, Denitrification Filters, and BAF systems—we provide the essential technological units that ensure these plants operate efficiently and meet strict discharge standards.
Your Name*
Your Email*
