
We are Shanghai Sanwei Valve Manufacturing Co.Ltd----one well known title who created the "aircraft carrier" of both petroleum and natural gas valves. Today it becomes superior to the past such as merged itself, Shanghai fangyua Valve Manufacturing Co.Ltd, Zhejiang Fangyuan Valve Manufacturing Co.Ltd, Shanghai Fangyuan Petroleum Machinery Co.Ltd and Zhejiang Yongjia Fangyuan Power Station Valve Factory into one so as to have made it successful of resource sharing and superiority mutual suppl-ement and formed two bases (Shanghai, Wenzhou) with a registered capital up to 65million RMB,a land of 80,000 square meters and more than 500 staff members of which 20 are senior engineering technicians and 55 midde-rank ones,and holds 350 pieces(sets)cold and hot processing and detecting equipments incuding heavy-type lathe grinder, miller, borer, digital controlled machine tools, hydraulic tester, physical and chemical lab,shock tester, flaw detector, hardness gauge etc., and an annual capacit... [
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