Introduction
Reverse Osmosis (RO) System is a water purification technology that uses a semi – permeable membrane to remove ions, molecules, and larger particles from water. By applying pressure to the water on one side of the membrane, pure water is forced through, while contaminants are left behind. This technology is widely used in various fields, including domestic water purification, industrial water treatment, desalination of seawater, and pharmaceutical water production. In China, there are many high – quality manufacturers of reverse osmosis systems. Here are the top 10 in 2026. Reverse Osmosis System
1. Qingzhou Foren Water Treatment Equipment Co., Ltd.
Qingzhou Foren Water Treatment Equipment Co., Ltd. is a well – known enterprise in the water treatment industry. With years of experience in research and development, production, and sales, the company has won a good reputation in the market. Its continuous investment in technology has made its products highly competitive.
Features in Reverse Osmosis System:
- High – efficiency filtration: Their RO systems can effectively remove a wide range of contaminants, such as heavy metals, bacteria, and viruses, providing high – quality purified water.
- Customization: The company can customize RO systems according to different customer needs, whether it is for small – scale household use or large – scale industrial applications.
- Energy – saving design: The systems are designed with energy – saving features, reducing operating costs in the long run.
Enterprise Advantages:
- Professional R & D team: The company has a group of professional researchers who are constantly exploring new technologies and improving product performance.
- High – quality after – sales service: They provide timely and efficient after – sales support to ensure that customers’ problems are solved quickly.
- Cost – effective products: Compared with other international brands, Foren’s products offer high – quality at more reasonable prices.
Website: https://www.forenwater.com/
2. Hefei Kejing Material Technology Co., Ltd.
Hefei Kejing is a high – tech enterprise focusing on the research and development, production, and sales of scientific research instruments and water treatment equipment. It has a strong technical background and advanced production equipment.
Features in Reverse Osmosis System:
- Precise control: The RO systems produced by Kejing can precisely control the water quality parameters, ensuring stable water output quality.
- Modular design: It adopts a modular design, making the installation, maintenance, and upgrade of the system more convenient.
- High – pressure resistance: The membranes used in the system have high – pressure resistance, which can adapt to different water sources and treatment requirements.
Enterprise Advantages:
- Strong R & D strength: The company has a high – level R & D team, which can continuously introduce new products and technologies.
- Quality certification: Their products have passed multiple international quality certifications, ensuring product quality and reliability.
- Good brand image: Kejing has established a good brand image in the industry through years of operation, which is trusted by customers.
3. Desalitech Ltd. (with China operations)
Desalitech is an international company with a significant presence in China. They are pioneers in the field of water treatment, especially in reverse osmosis technology.
Features in Reverse Osmosis System:
- Dynamic Separation Technology: Their unique dynamic separation technology can significantly improve water recovery rates and reduce energy consumption.
- Low fouling tendency: The RO systems are designed to have a low fouling tendency, which extends the service life of membranes and reduces maintenance costs.
- Advanced monitoring system: It is equipped with an advanced online monitoring system, which can monitor the operation status of the system in real – time and provide early warning of potential problems.
Enterprise Advantages:
- Global experience: With a long – standing international operation, Desalitech can draw on global experience to optimize its products in the Chinese market.
- Innovation – driven: The company is committed to continuous innovation, always at the forefront of reverse osmosis technology.
- Comprehensive technical support: They offer comprehensive technical support to customers, from system design to on – site installation and commissioning.
4. Hangzhou Water Treatment Technology Development Center Co., Ltd.
As a key enterprise in China’s water treatment field, Hangzhou Water Treatment Technology Development Center has a long history of research and development in reverse osmosis technology.
Features in Reverse Osmosis System:
- High – end membrane technology: They use high – quality reverse osmosis membranes, which have high rejection rates and long service lives.
- System integration ability: The company has strong system integration ability, which can provide complete water treatment solutions according to different customer needs.
- Environmental protection concept: Their RO systems are designed with environmental protection in mind, reducing waste water discharge and energy consumption.
Enterprise Advantages:
- National – level R & D platform: It has a national – level R & D platform, which can carry out in – depth research on water treatment technology.
- Industry influence: The center has a high influence in the domestic water treatment industry, and its products and technologies are widely recognized.
- Rich project experience: They have rich experience in large – scale water treatment projects, ensuring the success of project implementation.
5. Toray Chemical (China) Co., Ltd.
Toray is a well – known chemical company globally, and its China subsidiary is also an important player in the reverse osmosis system market.
Features in Reverse Osmosis System:
- High – performance membranes: Toray is famous for its high – performance reverse osmosis membranes, which have excellent separation performance and chemical stability.
- Wide application scope: Their RO systems can be used in various fields, such as seawater desalination, industrial water reuse, and food and beverage production.
- Quality assurance: The company has a strict quality control system, ensuring that each product meets high – quality standards.
Enterprise Advantages:
- Global brand reputation: Toray’s global brand reputation gives it an edge in the market, and customers have high confidence in its products.
- Technological innovation: The company continuously invests in technological innovation to improve the performance of its RO systems.
- Complete product line: They offer a complete line of RO products, from small – scale household units to large – scale industrial systems.
6. Aquatech (China) Co., Ltd.
Aquatech is an international water treatment company with a long history of providing high – quality water treatment solutions in China.
Features in Reverse Osmosis System:
- Intelligent control system: Their RO systems are equipped with an intelligent control system, which can automatically adjust operating parameters according to water quality changes.
- High – efficiency energy recovery: The company uses advanced energy recovery technology in its RO systems, reducing energy consumption and operating costs.
- Anti – pollution design: The systems are designed with anti – pollution features, which can effectively prevent membrane fouling and extend the service life of membranes.
Enterprise Advantages:
- International management experience: Drawing on international management experience, Aquatech can provide efficient and standardized services to customers.
- Comprehensive service: They offer comprehensive services, including pre – sales consultation, system design, on – site installation, and after – sales maintenance.
- Strong project implementation ability: Aquatech has a strong ability to implement large – scale water treatment projects, ensuring project quality and progress.
7. Grundfos (China) Investment Co., Ltd.
Grundfos is a world – leading pump and water technology company, and its China operations also play an important role in the reverse osmosis system market.
Features in Reverse Osmosis System:
- High – quality pumps: Grundfos’ high – quality pumps are used in their RO systems, which can provide stable pressure and flow, ensuring the normal operation of the system.
- Energy – efficient solutions: Their RO systems use energy – efficient pumps and control systems, reducing energy consumption and saving costs for users.
- System reliability: The combination of high – quality pumps and overall system design makes the RO systems highly reliable.
Enterprise Advantages:
- Global pump technology leadership: Grundfos’ global leadership in pump technology ensures the high – performance of the pumps used in RO systems.
- Wide service network: The company has a wide service network in China, which can provide timely after – sales service to customers.
- Product innovation: Grundfos is committed to product innovation, continuously improving the performance and efficiency of its RO – related products.
8. Dow Chemical (China) Co., Ltd.
Dow is a well – known chemical company, and its products in the reverse osmosis field are also highly regarded in the Chinese market.
Features in Reverse Osmosis System:
- Advanced membrane chemistry: Dow uses advanced membrane chemistry in its reverse osmosis membranes, which can provide high – quality water treatment performance.
- Chemical compatibility: The membranes have good chemical compatibility, which can adapt to different water treatment chemical environments.
- Long – term stability: The RO membranes produced by Dow have long – term stability, maintaining stable performance during long – term operation.
Enterprise Advantages:
- Global R & D resources: Dow can draw on global R & D resources to continuously improve the performance of its reverse osmosis products.
- Brand influence: The Dow brand has a high influence globally, and customers have high trust in its products.
- Technical support: The company provides strong technical support to help customers solve various problems in the use of RO systems.
9. Koch Membrane Systems (China) Co., Ltd.
Koch Membrane Systems is an international company specialized in membrane technology, and its China subsidiary has made a name in the reverse osmosis system market.
Features in Reverse Osmosis System:
- High – flux membranes: Their RO systems use high – flux membranes, which can increase water production efficiency.
- Membrane fouling control: The company has unique membrane fouling control technology, which can effectively reduce membrane fouling and improve system performance.
- Custom – made solutions: Koch can provide custom – made reverse osmosis solutions according to different customer needs and water quality conditions.
Enterprise Advantages:
- Specialized membrane technology: Koch’s long – term focus on membrane technology gives it an advantage in product performance and quality.
- Global customer base: The company has a global customer base, and its products and solutions have been widely verified in different markets.
- Excellent after – sales service: Koch provides excellent after – sales service to ensure the long – term stable operation of customers’ RO systems.
10. Ji Nan Tong Li Water Treatment Equipment Co., Ltd.
Ji Nan Tong Li is a domestic enterprise focused on water treatment equipment production. It has a deep understanding of the Chinese market and customer needs.
Features in Reverse Osmosis System:
- Cost – effective products: The company offers cost – effective reverse osmosis systems, which are suitable for small – and medium – sized enterprises and domestic users.
- Localized service: They can provide more localized service, quickly responding to customers’ needs and solving problems.
- Easy – to – use systems: The RO systems are designed to be easy to use and maintain, suitable for users with limited technical knowledge.
Packaging Equipment Enterprise Advantages:
- Familiarity with the Chinese market: The company’s in – depth understanding of the Chinese market allows it to develop products and services that better meet local customer needs.
- Flexible production: They can adjust production according to market demand, providing more flexible product supply.
- Good customer relationship: Ji Nan Tong Li has established good customer relationships through high – quality products and services, and has a high customer satisfaction rate.
