Company Profile
Chongqing Hiton Environmental Protection Technology Co., Ltd.

Chongqing Hiton Environmental Protection Technology Co., Ltd. is a national-level high-tech, specialized, refined, and innovative “Key Little Giant” enterprise that integrates the research and development, production, sales, and service of membrane materials, membrane components, water treatment equipment, and integrated systems—centered around advanced polymer technologies such as reverse osmosis membranes, ultrafiltration membranes, nanofiltration membranes, and DT/ST specialty separation membranes. The company also serves as a municipal-level R&D and technology center, a demonstration site for technological innovation, and a green factory. Additionally, it has been recognized as a Gazelle Enterprise, a small- and medium-sized hard-tech enterprise, and an Outstanding Private Enterprise in Chongqing Municipality. Its products have also received honors such as the Second Prize for Scientific and Technological Progress in 2025.
The company boasts a fully independent R&D team and possesses a comprehensive, self-contained portfolio of technologies and intellectual property rights covering equipment manufacturing, software control, formulation development, process engineering, and more—demonstrating sustained R&D capabilities. Since the commissioning of its first membrane production line in June 2020, the company now has four fully operational production lines and one experimental line in operation; the fifth production line is currently under planning and construction. To date, the company holds over 30 patents, including 13 granted invention patents. The RO reverse osmosis membranes produced by the company have been recognized as Chongqing’s Key Industrial Technology Innovation Products for 2024.
Guided by the corporate vision of becoming a “leading domestic and international provider of water treatment membrane technology application systems,” the company’s product R&D is oriented toward its long-term strategic goals, market trends, and core customer needs. Through independent R&D and deepened collaboration with research institutes such as the Chinese Academy of Sciences and Chongqing University, the company achieves technological innovation, consistently maintaining its forward-looking edge in water treatment membrane technologies and their applications. The company’s key focus is to facilitate the domestic substitution of water treatment membranes and thoroughly address the longstanding technological bottleneck issues.
Our company’s products are widely used in fields such as power generation, chemical industry, iron and steel, electronics, pharmaceuticals, beverages, centralized water supply and wastewater treatment in urban areas, seawater desalination, leachate from solid waste, and specialized separation technologies. Moreover, leveraging our robust technological expertise, we offer customized solutions tailored to specific water quality requirements, enabling us to better serve our customers and continuously explore new application scenarios for water treatment membranes, integrated equipment systems, and smart water management solutions. Major state-owned enterprises and listed companies—including Ansteel, Pangang, Shandong Iron and Steel, Tangshan Iron and Steel, Shenhua Group, State Power Investment Corporation, Geely Group, Shandong Weiqiao, Youlian Thermal Power, Dongjiang Environmental Protection, and Enliji—are among our valued partners. Our products are exported to regions including Europe, the Middle East, and Southeast Asia.
The company is rooted in its core technology, driven by continuous innovation, and consistently contributes to meeting the growing demands for healthy water use and environmentally friendly water management.
Establishment Date
Registered capital
Invention patent
Utility model patent
HITON
Corporate culture
Work Philosophy
People-oriented, building business with integrity; professional quality, striving for excellence.
Pay attention to details and continuously innovate; put customers first and create brilliance together.
Corporate Mission
Continuously contributing to the growing demand for healthy drinking water and environmental protection!
Corporate Vision
Become a renowned domestic and international provider of “water treatment membrane” technology application systems.
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Development History
2025
2025
Reach a new high
Awarded the “Second Prize” for Scientific and Technological Progress in the Chongqing Regional Competition of the China Innovation and Entrepreneurship Competition.
2024
2024
Technological innovation
The first diaphragm R&D pilot line has been put into operation.
Article 4: The diaphragm production line has been put into operation.
2023
2023
Continue expanding production.
Article 3: The diaphragm production line has been put into operation.
Aotong Company has been established, focusing on the R&D and production of water treatment equipment and systems, and has obtained certification as a Green Factory in Chongqing Municipality.
Securities firms and third-party institutions set up on-site guidance programs for enterprises.
2022
2022
Technological breakthrough
Establish a joint laboratory with the Chongqing Institute of the Chinese Academy of Sciences.
Certified by the Chongqing Municipal Technology and R&D Center
2021
2021
Capacity expansion
RO seawater desalination membrane development successfully completed.
Multiple patent invention grants
2020
2020
Officially put into production
Certified under ISO 9001 / ISO 14001 / ISO 45001 systems
Obtained National High-Tech Enterprise Certification
2018-2019
2018-2019
R&D testing
Article 1: Independent installation, commissioning, and production of RO membrane production lines.
2017
2017
Company established
On December 10, signed an investment promotion agreement with the government.
On December 17, Chongqing Haitong Environmental Protection Technology was established.
Hiton
Patent Certificate
A device used for manufacturing reverse osmosis membranes.
A new type of multi-stage nanofiltration device
A glue reservoir cylinder for a glue storage machine that prevents colloidal coagulation.
A film-coiling device
A rubber bowl assembly device
A high-pressure nanofiltration concentration device
An efficient nanofiltration decolorization device
An apparatus for testing the performance of reverse osmosis membranes
A device for detecting the desalination rate of reverse osmosis membranes
An apparatus for detecting the permeability of reverse osmosis membranes
An anti-permeation membrane cleaning device
An anti-permeation membrane element testing device
An reverse osmosis filtration device
An RO membrane cleaning device that facilitates stable material feeding.
A roll film feeding device that facilitates stable material feeding.
A fabric-cutting device that facilitates cutting.
A roll-up film machine that facilitates tight pressing of membrane fabrics.
A reverse osmosis membrane protective cover that is easy to secure.
A conveniently adjustable end-face cutting device
An automatic salt-concentration adjustment device for preventing pipe blockages
A spraying device used for manufacturing reverse osmosis membranes
A New Type of Reverse Osmosis Membrane and Its Preparation Method
A chitosan-modified graphene oxide nanocomposite forward osmosis membrane and its preparation method
An anti-fouling reverse osmosis membrane device
A method and apparatus for manufacturing reverse osmosis membranes
A reverse osmosis membrane device with multiple filtration chambers
Reverse Osmosis Membrane Coating and Reverse Osmosis Membrane Body Suitable for Strong Acid Solutions
High-performance reverse osmosis membranes and their manufacturing processes
Continuous coating device for controllable thickness application on the support layer of reverse osmosis membranes
Reverse Osmosis Membrane Functional Layer Solution Formulation and Coating Process
Reverse osmosis membrane element for staged and selective treatment of the processing liquid by reverse osmosis.
Quality-based reverse osmosis water-saving system
Reverse Osmosis Automatic Water Production Control Software
Reverse Osmosis Water Production Equipment Control and Monitoring System
Reverse Osmosis Water Production Monitoring System
Automatic Cleaning Control System for Reverse Osmosis Membranes
Reverse Osmosis Membrane Element Pressure Detection System
Reverse Osmosis Controller Modular Control Instrument Software
Smart Control Parameter Adjustment Software for Reverse Osmosis Integrated Systems
Reverse Osmosis Integrated Device Control Software
Reverse Osmosis and Associated System Equipment Software
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Qualifications and Honors
Hiton
Company Showcase