Tianjin Tanggu Tianshun valve company was founded in 1993,which are specialized in inresearching and producing Wafer and lug butterfly valve,Anti-corrosion butterfly valve,Double eccentric double flange butterfly valve,Grooved butterfly valve,Wafer check valve,Knife gate valve,Resilient sealing gate valve etc. Annual yield is about 500,000pieces,30,000 times on/off without leakage, 2 years quality warranties with favourable price and good service.We achieved ISO,CE certificated in 2000.Looking forward to cooperate with you in near future.