Stainless Steel Flanges, Pipe Fittings, Ball Valves manufacturer / supplier in China, offering 3/4" Stainless Steel Socket Weld Ball Valve, 1000 Wog, 3/4" Sw Connection Ball Valve with 1000 Wog Pressure,, Heavy Type 3/4" Sw Connection Ball Valve, 1000 Wog and so on.