1. ISO 9001 quality system certification
2. ISO 14001 Environmental Management System Certification
3.OHSAS18000 Occupational Health and Safety Management System Certification
4.EU CE certification...
Dear Friends,
We are Tianjin Tanggu Water-Seal Valve Co.,Ltd,this week we begin to work from China New Year,and all work back to normal.
Our company mainly produce rubber seated butterfly valve,sof...
The introduction of the main accessories of the regulating valve
Tianjin Tanggu Water-Seal Valve Co., Ltd (TWS Valve Co., Ltd)
Tianjin,CHINA
22th,July,2023
Web: www.tws-valve.com
Valve positi...
As a pollution control enterprise, the most important task of a sewage treatment plant is to ensure that the effluent meets the standards. However, with the increasingly strict discharge standards ...