Best 10 desalination system Manufacturers in China 2025 - Blog

Introduction to Desalination System

Desalination system is a crucial technology that removes salt and other impurities from seawater or brackish water, making it suitable for various applications such as drinking water supply, industrial use, and agricultural irrigation. With the increasing global water scarcity, desalination has become an important solution to meet the growing demand for fresh water. China, as a large country with a huge population and diverse water resource distribution, has been actively promoting the development and application of desalination technology. In recent years, many Chinese manufacturers have emerged in the desalination system market, offering high - quality products and services. Here are the top 10 desalination system manufacturers in China in 2025.

1. Shandong Taihe Environmental Technology Co., Ltd.

Shandong Taihe Environmental Technology Co., Ltd. is a well - known enterprise in the field of water treatment and desalination. Founded in 1998, the company has a long - standing history of research, development, production, and sales of water treatment products and systems.

Company OverviewThe company has a modern production base with advanced manufacturing equipment and a professional R & D team. It adheres to the concept of technological innovation and environmental protection, and is committed to providing customers with comprehensive water treatment solutions. Its desalination systems cover a wide range of applications, from small - scale household desalination units to large - scale industrial and municipal desalination plants.

Features in Desalination System

Advanced Membrane Technology: Taihe uses high - performance reverse osmosis membranes in its desalination systems. These membranes have high salt rejection rates, which can effectively remove more than 99% of salts and other impurities from seawater or brackish water. The membranes are also resistant to fouling and scaling, ensuring the long - term stable operation of the desalination system.
Energy - Efficient Design: The company focuses on energy - saving in its desalination system design. It adopts advanced energy recovery devices, such as pressure exchangers, which can recover a large amount of energy from the concentrated brine, reducing the overall energy consumption of the desalination process. This not only reduces operating costs but also makes the desalination process more environmentally friendly.
Customized Solutions: Taihe understands that different customers have different water quality requirements and production scales. Therefore, it provides customized desalination system solutions. Whether it is a small island community in need of a compact desalination unit or a large - scale industrial park requiring a high - capacity desalination plant, the company can design and manufacture a system that meets the specific needs of the customer.

Company Advantages

Rich Experience: With more than 20 years of experience in the water treatment industry, Taihe has accumulated a wealth of practical experience in desalination system design, installation, and operation. This experience enables the company to quickly and accurately solve various problems that may occur during the project implementation process.
Strong R & D Capability: The company invests a large amount of resources in R & D every year. It has established long - term cooperation relationships with many domestic and foreign scientific research institutions, continuously introducing and applying new technologies and materials in its desalination systems. This ensures that the company's products are always at the forefront of the industry.
Good After - sales Service: Taihe provides comprehensive after - sales service, including system maintenance, equipment replacement, and technical support. Its professional after - sales service team can respond quickly to customer needs, ensuring the normal operation of the desalination system.

Website: https://www.taihewater1998.com/

2. Beijing Originwater Technology Co., Ltd.

Company OverviewBeijing Originwater Technology Co., Ltd. is a leading high - tech enterprise in the water treatment industry. It was established in 2001 and has grown into a large - scale enterprise with a complete industrial chain in water treatment. The company has a global vision and has carried out business in many countries and regions around the world.

Features in Desalination System

Integrated Solutions: Originwater offers integrated desalination solutions that cover the entire process from water intake, pre - treatment, desalination, to post - treatment. The pre - treatment process uses advanced filtration and sedimentation technologies to remove large particles, suspended solids, and organic matter from the raw water, protecting the desalination membranes. The post - treatment process can adjust the water quality parameters such as pH value and hardness to meet the specific requirements of different users.
Intelligent Control System: The company's desalination systems are equipped with intelligent control systems. These systems can monitor and adjust various operating parameters in real - time, such as water flow, pressure, and temperature. The intelligent control system can also predict potential problems and provide early warnings, enabling operators to take preventive measures in a timely manner.
Modular Design: Originwater adopts a modular design concept in its desalination systems. The modular design makes the installation, transportation, and maintenance of the desalination system more convenient. It also allows for easy expansion of the system capacity in the future, meeting the growing water demand of customers.

Company Advantages

Global Market Presence: With its business expanding globally, Originwater has a deep understanding of different market demands and regulatory requirements. This enables the company to provide more targeted desalination solutions in different regions.
Strong Brand Influence: The company has a high - profile brand in the water treatment industry. Its brand is associated with high - quality products, reliable services, and advanced technologies. This brand influence helps the company to gain the trust of customers and win more projects.
Comprehensive R & D and Innovation System: Originwater has established a comprehensive R & D and innovation system, including a national - level R & D center. The company continuously invests in R & D to improve the performance and efficiency of its desalination systems.

3. Hangzhou Water Treatment Technology Development Center Co., Ltd.

Company OverviewHangzhou Water Treatment Technology Development Center Co., Ltd. has a long - standing reputation in the field of water treatment and desalination. It was founded in the 1970s and has been at the forefront of desalination technology research and development in China. The company is affiliated with the Chinese Academy of Sciences, which provides strong scientific and technological support.

Features in Desalination System

Cutting - Edge Membrane Technology Research: The company has made significant achievements in membrane technology research. It has developed a series of high - performance membranes for desalination, including nanofiltration membranes and reverse osmosis membranes. These membranes have unique pore structures and surface properties, which can improve the separation efficiency and selectivity of the desalination process.
Low - Temperature Desalination Technology: Hangzhou Water Treatment Technology Development Center has developed low - temperature desalination technology, which is suitable for areas with low - temperature water sources. This technology can reduce the energy consumption of the desalination process at low temperatures and has broad application prospects in cold regions.
Brine Disposal Solutions: In addition to desalination, the company also focuses on brine disposal solutions. It has developed environmentally friendly brine treatment technologies, such as evaporation crystallization and membrane distillation, which can reduce the environmental impact of brine discharge.

Company Advantages

Close Ties with Academia: As an affiliated enterprise of the Chinese Academy of Sciences, the company has close ties with academic institutions. This allows it to quickly transform scientific research achievements into practical products and technologies.
Long - term R & D Experience: With more than 40 years of R & D experience, the company has a deep understanding of the desalination process and related technologies. This long - term experience gives it an edge in solving complex desalination problems.
National - Level R & D Platform: The company has a national - level R & D platform, which provides a good environment for talent cultivation and technological innovation.

4. CNOOC (China National Offshore Oil Corporation) Energy Technology & Services - Energy Conservation & Environmental Protection Co., Ltd.

Company OverviewCNOOC Energy Technology & Services - Energy Conservation & Environmental Protection Co., Ltd. is a subsidiary of CNOOC, a large - scale state - owned enterprise in China. The company focuses on energy - saving and environmental protection technologies in the offshore oil and gas industry and has extended its business to the desalination field.

Features in Desalination System

Offshore Platform Compatibility: The company's desalination systems are designed to be compatible with offshore platforms. They can withstand harsh marine environments, such as high - salt, high - humidity, and strong winds. The desalination systems on offshore platforms can provide fresh water for offshore oil and gas production operations, reducing the dependence on external water sources.
Waste Heat Utilization: CNOOC Energy Technology & Services - Energy Conservation & Environmental Protection Co., Ltd. makes use of waste heat from offshore oil and gas production processes in its desalination systems. By using waste heat for evaporation or heating in the desalination process, the company can reduce the energy consumption of the desalination system and improve the overall energy efficiency of the offshore platform.
High - Pressure Resistance Design: The desalination systems are designed to withstand high - pressure conditions. This is necessary for reverse osmosis desalination on offshore platforms, where the high - pressure pumps are required to drive the seawater through the membranes. The high - pressure resistance design ensures the safety and reliability of the desalination system.

Company Advantages

Strong Backing of CNOOC: As a subsidiary of CNOOC, the company has strong financial and technical support. It can access the resources and technologies of CNOOC, which is beneficial for the research, development, and large - scale application of desalination systems.
Rich Offshore Engineering Experience: CNOOC has rich experience in offshore engineering. The company can leverage this experience to ensure the smooth implementation of desalination projects on offshore platforms, including project planning, equipment installation, and operation management.
Industry - Specific Knowledge: The company has in - depth knowledge of the offshore oil and gas industry. It understands the specific water demand and operating environment of offshore platforms, which enables it to provide more targeted desalination solutions.

5. Tianjin Motimo Membrane Technology Co., Ltd.

Company OverviewTianjin Motimo Membrane Technology Co., Ltd. is a professional membrane technology company. It focuses on the research, development, production, and sales of membrane products and membrane - based water treatment systems, including desalination systems.

Features in Desalination System

High - Quality Membrane Production: The company is specialized in membrane production. Its desalination membranes have high mechanical strength, chemical stability, and separation performance. The membranes are produced using advanced manufacturing processes, ensuring consistent quality and performance.
Membrane Fouling Control Technology: Motimo has developed advanced membrane fouling control technology. It uses physical and chemical methods to prevent the deposition of impurities on the membrane surface, such as periodic backwashing and chemical cleaning. This technology can effectively extend the service life of the membranes and reduce the maintenance cost of the desalination system.
Membrane Module Design Optimization: The company pays attention to membrane module design optimization. It designs membrane modules with high packing density, which can increase the effective membrane area in a limited space. This improves the water production efficiency of the desalination system.

Company Advantages

Core Membrane Technology: As a membrane - focused company, Tianjin Motimo Membrane Technology Co., Ltd. has core membrane technology. This technology gives it a competitive edge in the desalination system market, as the quality of the membrane is crucial for the performance of the desalination system.
Flexible Production Capacity: The company has a flexible production capacity. It can adjust the production volume according to market demand, ensuring timely delivery of products to customers.
Technical Support and Training: Motimo provides technical support and training services to its customers. It can help customers install, operate, and maintain the desalination systems, and train their operators to ensure the proper use of the equipment.

6. Guangdong Kaidi Energy Technology Co., Ltd.

Company OverviewGuangdong Kaidi Energy Technology Co., Ltd. is an enterprise that combines energy technology and water treatment technology. It has been committed to providing energy - efficient and environmentally friendly desalination solutions.

Features in Desalination System

Renewable Energy - Powered Desalination: The company promotes the use of renewable energy, such as solar energy and wind energy, in desalination systems. By integrating solar panels or wind turbines with desalination equipment, it can reduce the reliance on traditional fossil fuels and make the desalination process more sustainable.
Energy - Storage Integration: In addition to using renewable energy, Kaidi also integrates energy - storage systems into its desalination systems. Energy - storage systems can store excess energy generated by renewable energy sources during peak production periods and release it during low - production periods, ensuring the continuous operation of the desalination system.
Hybrid Desalination Technology: The company has developed hybrid desalination technology, which combines different desalination methods, such as reverse osmosis and multi - effect distillation. This hybrid technology can take advantage of the strengths of different methods and improve the overall efficiency and performance of the desalination system.

Company Advantages

Renewable Energy Expertise: Guangdong Kaidi Energy Technology Co., Ltd. has expertise in renewable energy technology. This allows it to effectively integrate renewable energy sources into desalination systems, providing customers with more energy - efficient and environmentally friendly solutions.
System Integration Capability: The company has strong system integration capability. It can integrate various components, including renewable energy equipment, desalination membranes, and energy - storage systems, into a unified and efficient desalination system.
Environmental Awareness: With a focus on environmental protection, the company's desalination solutions are in line with the global trend of sustainable development. This can help customers meet environmental regulations and reduce their environmental impact.

7. Jiangsu Jiuwu Hi - Tech Co., Ltd.

Company OverviewJiangsu Jiuwu Hi - Tech Co., Ltd. is a high - tech enterprise that specializes in inorganic membrane technology. It has a wide range of products and applications in the field of water treatment, including desalination.

Features in Desalination System

Inorganic Membrane Technology: The company uses inorganic membranes in its desalination systems. Inorganic membranes have many advantages over organic membranes, such as high temperature resistance, chemical stability, and long service life. These membranes can operate under harsh conditions and are suitable for desalination of high - salinity and complex - composition water sources.
Multi - stage Filtration System: Jiuwu Hi - Tech's desalination systems often adopt a multi - stage filtration system. The multi - stage filtration can effectively remove different sizes of particles and impurities from the raw water, protecting the desalination membranes and improving the overall desalination efficiency.
Membrane Surface Modification Technology: The company has developed membrane surface modification technology. By modifying the membrane surface, it can improve the hydrophilicity and anti - fouling performance of the membranes, reducing the frequency of membrane cleaning and maintenance.

Company Advantages

Inorganic Membrane Expertise: As a leading company in inorganic membrane technology, Jiangsu Jiuwu Hi - Tech Co., Ltd. has a deep understanding of inorganic membrane materials and manufacturing processes. This expertise gives it an advantage in providing high - performance desalination systems.
Product Diversification: The company offers a variety of inorganic membrane products, which can be combined in different ways to meet the different needs of customers. This product diversification allows it to provide customized desalination solutions.
Continuous Innovation: Jiuwu Hi - Tech is committed to continuous innovation. It invests in R & D to improve the performance of its inorganic membranes and develop new applications in the desalination field.

8. Shandong Dongyue Group Co., Ltd.

Company OverviewShandong Dongyue Group Co., Ltd. is a large - scale chemical enterprise with a wide range of business areas, including the development and production of fluorine - containing materials. It has extended its business to the desalination field by applying its advanced materials technology.

Features in Desalination System

Fluorine - Containing Membrane Technology: The company uses fluorine - containing materials to develop membranes for desalination systems. Fluorine - containing membranes have excellent chemical stability, anti - fouling performance, and high - temperature resistance. These membranes can improve the efficiency and reliability of the desalination process.
Chemical Resistance Design: Dongyue's desalination systems are designed to be chemically resistant. They can withstand the corrosion of various chemicals used in the pre - treatment and post - treatment processes, ensuring the long - term operation of the system.
Material Recycling and Reuse: The company pays attention to material recycling and reuse in the desalination process. It has developed technologies to recycle and reuse some of the materials used in the desalination system, reducing the cost and environmental impact.

Company Advantages

Advanced Material Technology: Shandong Dongyue Group Co., Ltd. has advanced material technology, especially in fluorine - containing materials. This technology can be applied to desalination membranes and other components of the desalination system, providing high - quality products.
Large - Scale Production Capacity: As a large - scale enterprise, the company has large - scale production capacity. It can meet the large - volume demand of desalination projects and ensure the stable supply of products.
Industry Chain Integration: The company has integrated its industry chain, from raw material production to product manufacturing. This integration can improve the production efficiency and cost - control ability of the desalination products.

9. Shanghai Kangji Water Treatment Equipment Co., Ltd.

Company OverviewShanghai Kangji Water Treatment Equipment Co., Ltd. is a professional water treatment equipment manufacturer. It has been providing water treatment solutions for various industries, including desalination, for many years.

Features in Desalination System

Small - Scale and Medium - Scale Desalination Systems: The company specializes in small - scale and medium - scale desalination systems. These systems are suitable for small communities, rural areas, and small - scale industrial enterprises. They are easy to install, operate, and maintain, and have relatively low investment costs.
Simple and User - Friendly Design: Kangji's desalination systems are designed to be simple and user - friendly. The control panels are intuitive, and the operation procedures are easy to understand. This makes it convenient for non - professional users to operate and manage the desalination systems.
Cost - Effective Solutions: The company focuses on providing cost - effective desalination solutions. It uses cost - effective materials and technologies without sacrificing the quality and performance of the desalination systems. This can help customers reduce the overall cost of water treatment.

Company Advantages

Targeted Market Positioning: By targeting small - scale and medium - scale customers, Shanghai Kangji Water Treatment Equipment Co., Ltd. can better meet the specific needs of these customers. It can provide more personalized services and solutions compared to large - scale manufacturers.
Local Service Network: The company has established a local service network. It can provide timely on - site service and technical support to customers, ensuring the normal operation of the desalination systems.
Long - Term Customer Relationships: Over the years, the company has established long - term customer relationships. Its good reputation and reliable products have won the trust of customers, which helps it to expand its market share in the small - scale and medium - scale desalination market.

10. Shenzhen EPT Technology Co., Ltd.

Company OverviewShenzhen EPT Technology Co., Ltd. is a high - tech enterprise focusing on environmental protection and water treatment technology. It has developed a series of advanced desalination technologies and products.

Features in Desalination System

Electrodialysis Reversal (EDR) Technology: The company uses Electrodialysis Reversal (EDR) technology in its desalination systems. EDR technology is a unique desalination method that can effectively remove salts and other ions from water by using an electric field. This technology has low energy consumption, high water recovery rate, and is suitable for desalination of brackish water.
Water Quality Monitoring and Adjustment: Shenzhen EPT Technology Co., Ltd.'s desalination systems are equipped with advanced water quality monitoring and adjustment devices. These devices can continuously monitor the water quality parameters such as conductivity, pH value, and ion concentration, and adjust the desalination process in real - time to ensure the stable water quality of the product water.
Mobile Desalination Units: The company has developed mobile desalination units. These units are easy to transport and can be quickly deployed in emergency situations or areas with temporary water shortages. They can provide immediate access to fresh water in disaster - affected areas or remote locations.

Company Advantages

Innovative Technology: The company is committed to technological innovation. Its use of EDR technology and development of mobile desalination units are examples of its innovative spirit. These innovative technologies can provide unique solutions to water desalination problems.
Rapid Response Capability: With the development of mobile desalination units, the company has a rapid response capability. It can quickly provide desalination services in emergency situations, which is very important for areas facing water shortages or disasters.
Customer - Oriented Service: Shenzhen EPT Technology Co., Ltd. provides customer - oriented service. It listens to the needs of customers and continuously improves its products and services to meet the changing requirements of the market.

Conclusion

The desalination system market in China is booming, and these 10 manufacturers play important roles in promoting the development of desalination technology. Each manufacturer has its own unique features and advantages. Some focus on advanced membrane technology, some on energy - saving design, and others on specific application scenarios such as offshore platforms or small - scale systems. With the continuous improvement of technology and the increasing demand for fresh water, these manufacturers will continue to innovate and provide more efficient, cost - effective, and environmentally friendly desalination solutions. They will not only meet the domestic water demand but also contribute to the global water security and sustainable development.