Quality and certification

ISO 9001 quality management, a drinking-water hygiene licence and our own membrane testing laboratory.

Quality and certification

A standard for every step

We run a complete quality control system with SOPs and SIPs for every stage, an in-house membrane testing laboratory, and hygiene approvals for our full range of membrane elements.

Quality management system
GB/T 19001-2016 / ISO 9001:2015. Scope: production and sales of RO reverse osmosis membrane components. Certificate no. 76525Q0497R0S, valid until 30 June 2028, issued by SAQI (Shenzhen) Certification Testing Co., Ltd.
Drinking-water hygiene licence
Guangdong hygiene licence for products related to drinking water safety, covering CONGEXIN reverse osmosis membrane elements Ø40–200 mm × 180–1016 mm. Approval no. Yue Wei Shui Zi [2024]-12-S0017, valid until 15 January 2028, issued by the Health Commission of Guangdong Province.
Membrane testing laboratory
In-house laboratory that tests membrane element performance.
Standard procedures
Standard operating procedures (SOP) and standard inspection procedures (SIP) at every production stage.
  • ISO 9001 certificate (Chinese)ISO 9001 certificate (Chinese)
  • ISO 9001 certificate (English)ISO 9001 certificate (English)
  • Drinking-water hygiene licenceDrinking-water hygiene licence
  • Business licenceBusiness licence

The certificate can be verified on the website of the Certification and Accreditation Administration of China (www.cnca.gov.cn).

Good water starts with a CONGEXIN membrane

Water purifier brands, equipment makers and distributors are welcome to ask about products, customisation and prices.