As a large non-regional corporation of national level, have many years experience about producing valve, CHINA TIANSHENG VALVE CO., LTD. is a hi-tech valve manufacturer integrating research, development, production, sales and service. The main products is butterfly valve, gate valve, check valve, globe valve, ball valve and so on, the standard according to GB, API, DIN & JIS. Have more than 60 filiales in China. Tiansheng is a network supplier for China National Electric Power Corporation, a network supplier of Sinopec, a network supplier for Petro China Company Limited, A class AAA enterprises of Industrial and Commercial Bank of China, as well as a member enterprise of China Valve Guild. 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. Tiansheng situated in Dong’ou Industrial Zone, Wenzhou, Zhejiang, it covers a floor area of 23300 square meters. 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. Tiansheng usd the hi-tech to make the batch production, we have 300 sets of machine processing center and appropriative equipments such as the machining center from Germany, digital-control lathe from Taiwan, super exact lathe, automatic assemble line and so on. Provided with advanced develop center and test center.