Investment Casting, Precision Casting, Sand Casting manufacturer / supplier in China, offering Forging Steel Wind Hydro Power Turbine Main Shafts, Forging Heavy Duty Steel Shafts for Hydro Power Turbine, OEM Custom 2′′ 3′′ 4′′ Water Pump Outlet Flange Elbow Joint for Diesel/Gasoline Engine Parts and so on.