Steel Pipes, Pipes Fittings, Socket Fittings manufacturer / supplier in China, offering Wooden Case Carbon Steel Km/OEM DN10 to DN1600 P245gh DIN2635, En10204 3.1 or 3.2 Welding Km/OEM Wooden Case DIN Flange DIN2628, En10204 3.1 or 3.2 Welding Km/OEM Wooden Case DIN Flange P245gh and so on.