Stainless Steel Threaded Fittings  Including Caps, Elbows 90°, Elbows 45°, Hex Nipples (equal and reducing), Plugs, Sockets (equal and reducing), Tees (equal and reducing), Bushes, Unions, Barrel Nipples and Hose nipple, With Method of Investment Casting, Widely used in  Petroleum, chemical, machinery, electric power, shipbuilding, Papermaking, construction etc