butterfly valve, gate valve, check valve, globe valve, ball valve and so on, the standard according to GB, API, DIN & JIS
We have import & export license, ISO9001-2000(CQC) certificate, CE certificate from DNV, API 6D certificate and National Manufacture License of Special Equipment (AZ) . One of the top 30 pump and valve manufactures in Wenzhou.
There are as many as 510 employees, among which are 5 senior engineer and 17 engineer. We are fitted with CAD valve design and quality test system. The Bi-direction butterfly valve gets the letters patent from China government (Patent number: 022514236) . Tiansheng brand metal seat butterfly valve get award of the excellent products 2002 from China Pump and Valve Industrial Association, the famous band products 2003 from Pump and Valve Association, the famous brand 2004 from Wenzhou Administration for Industry & Commerce. We also get the award of Famous and Creditable Enterprise for many years.