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Tianjin Steel Pipe Sales Co., long Lutheran up distribution in major steel production alloy tube, high pressure boiler tube, stainless pipe, spiral pipe, galvanized pipe, Rectangular Pipe, plate, bar, channel steel, angle steel, H beam, I-beam, line pipe, oil casing. Made of: 10 # 20 #, 35 #, 45 #, 16Mn, 27SiMn, 12Cr1MoV, 15CrMo, 20G, 304,316,321, Q235, X60, X52, N80, J55, P110, etc.