Tianjin Special Steel Metal Material Co., Ltd. Business: Chengdu, Tianjin, Baoshan Iron and Steel, Steel, Anshan Iron and Steel, Hengyang Steel, Wuxi, Shougang, Changcheng Special Steel, Fushun Special Steel, Zhejiang, Jiangsu and other major steel production of seamless pipes, structure pipe, fluid pipe, low pressure boiler tubes, high pressure boiler tubes, fertilizer special pipe, casing, ship pipe, seamless pipe, alloy pipes, precision tubes, stainless steel tubes, precision seamless tubes and a variety of materials 42crmo seamless steel pipe, 40cr alloy tube, 35crmo seamless pipe, thick-walled seamless steel pipe, large diameter steel pipe. Alloy tube: 12Cr1MoVG A335P11, T91 (Iron and Steel Research 102) A335P12 A335P22, A335P91, A213T11, A213T12, SA106B, SA106C, A333GR.1, A333GR.6, ST45.8-III, 10 #, 20 #, 35 # , 45 #, 16Mn (Q345), 27SiMn, 40Cr, 15CrMoG, 35CrMo, 10CrMo910, J55, K55, N80, L80, P110, X40-70, L245, L360, DZ40, DZ50, R80, YB235-70, 12Cr2MoWVTiB etc.