- COCC, Chinese Academy of Sciences Wholly Owned Subsidiary
- National High-Tech Enterprise Cert. No. GR202451003429
- Specialized & Innovative SME Sichuan Province · 2025
- ISO Tri-System Certified ISO 9001 / ISO 14001 / ISO 45001
Chengdu Zhongke Purui Purification Equipment Co., Ltd. ("Zhongke Purui"), a wholly owned subsidiary of Chengdu Organic Chemicals Co., Ltd., Chinese Academy of Sciences (COCC), is a National High-Tech Enterprise (Cert. No. GR202451003429) and a Sichuan Province "Specialized & Innovative" SME. The company holds a Sichuan Grade-B Environmental Pollution Control Engineering Qualification, is certified to ISO 9001, ISO 14001, and ISO 45001, and holds EU CE certification for its products.
The company focuses on R&D, manufacturing, and sales of gas separation, gas purification, and high-purity gas transmission and control systems. Its core processes deliver deep deoxygenation, dehydrogenation, dehydration, hydrocarbon removal, decarbonization, and high-efficiency particulate filtration for feed gases. Its registered office and R&D center are located in Sichuan Tianfu New Area, with an integrated manufacturing base in Dayi County, Chengdu.
Guided by the corporate ethos of "Striving for Innovation and Progress, Upholding Pragmatism and Excellence," Zhongke Purui provides integrated services spanning technical consulting, process design, equipment manufacturing, and after-sales support—delivering R&D, teaching, bench-scale, and pilot-scale systems for petrochemicals, bio- and fine chemicals, environmental engineering, catalysis, and pharmaceuticals.
Zhongke Purui remains dedicated to gas separation, purification, and high-purity transmission and control—leveraging specialized technology to make every gas stream measurable, controllable, and reliable.
Thank you to our customers for your trust over the years. Guided by "Striving for Innovation and Progress, Upholding Pragmatism and Excellence," we will continue refining our equipment and services to safeguard stable operations and build lasting, win-win partnerships.
Fully automatic, recirculating regenerative, and ultra-high-purity purifiers for O₂, H₂, N₂, Ar, He, and more—zero-consumable operation.
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Custom R&D systems including tritium removal units, hydrogenation pilot evaluation rigs, and distillation-purification systems.
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Tritiated off-gas treatment, hydrogen removal, and industrial exhaust remediation backed by Grade-B engineering qualification.
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Berslok instrumentation valves, stainless steel bellows valves, electropolished tubing, and high-efficiency filters.
View ProductsInitiated R&D in gas separation, purification, and high-purity gas technologies; won the Sichuan Science & Technology Major Contribution Award and Chengdu Science & Technology Achievement Award.
Chengdu Zhongke Purui Purification Equipment Co., Ltd. was formally founded, focusing on high-purity gas purification and high-efficiency gas purifier engineering.
Joined the Sichuan Industrial Catalysis Technology Innovation Alliance and achieved ISO 9001, ISO 14001, and OH&S management system certifications.
Expanded into gas purification engineering, custom R&D equipment, air pollution control, and online monitoring; obtained the Grade-B Environmental Pollution Control Engineering Qualification.
Delivered smart R&D equipment—including validation rigs, bench-scale, and pilot-scale units—along with standardized technology commercialization support.
Recognized as a Sichuan Province "Specialized & Innovative" SME, continuously advancing proprietary R&D in high-purity gas separation/purification and smart scientific equipment.
China Academy of Engineering Physics (CAEP)
Chengdu Organic Chemicals Co., Ltd., Chinese Academy of Sciences
Southwestern Institute of Physics (SWIP)
Hefei Institutes of Physical Science, Chinese Academy of Sciences
Institute of Optics and Electronics, Chinese Academy of Sciences
Tsinghua University
Zhejiang University
Sichuan University
Tianjin University
University of Electronic Science and Technology of China (UESTC)
Hainan University
Chengdu University of Information Technology
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