G-Metal Valves Corp., is incorporated in California, United States of America, with manufacturing facility in China, occupying 200,000 square feet. G-Metal Valves produces butterfly valve, wafer check valve, deals with Gate Valve, Globe Valve, Swing Check Valve, Y-Strainer, also piping systems such as fFange, Butt Weld Pipe Fittings, Seamless Pipe, etc. .