ShuangDa Valve manufacturing company (SDV) is located in Sanqiao ind. Zone, Wenzhou city, Zhejiang Province, China, which was established in 1992. Now it has developed into a stock sharing enterprise. It owns land of 27000㎡, and over 300 hundred employees.SDV has taken the newly valve manufacturing technology for standards API, DIN, BS, JIS, GB valves. Products include gate/globe/check/butterfly/ball valve and three-way and four-way quadruple sealing ball valves around 2000 kinds valves with different specifications. SDV owns over 150 sets of numerical control machine tool, large machine tool and CAD design center. Company has acquired certificates of API-6D,CE, AZ, ISO9001: 2000 (CQC), ISO14001, OHSAS18001. It has become a member of National electric power, first level supplier of china oil & gas. Products have exported to Europe, America, Australia, India, etc. “RELIABLE QUALITY, FAST DELIVERY, AND GOOD PRICE” has made SDV a creditable enterprise.“Customer’s satisfaction is our aim forever ”. China Shuangda Valve Co.,ltd is a pleased to hear any comment about SDV from you to make SDV a better company in the future.