CHINA TIANSHENG VALVE GROUP is a hi-tech valve manufacturer which integrates R&D, production, sales and service. As a large non-regional corporation of national level, we possess many yearsâ?? experience on valve production. Our main products are butterfly valve, gate valve, check valve, globe valve, ball valve and so on, all of which can be designed and made according to different standards, such as GB, API, DIN & JIS, to meet customersâ?? different requirements.Currently, 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 is seated in Dongâ??ou Industrial Zone, Wenzhou, Zhejiang, covering 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 the first to set up CAD valve design center, three-dimensional simulation systems, and the first to pass ISO9001-2000 international quality system certification in Chinaâ??s Hometown of Pump and Valve. The Bi-direction butterfly valve gets the international patent (Patent number: 022514236). The metal hard sealing butterfly valve of Tiansheng brand got 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.