Special Steel Metal Material Co., Ltd. in Tianjin / is a large seamless steel tubes, alloy pipes, seamless pipes, high pressure boiler tube, ship pipe, oil cracking pipe, casing, fertilizer tube sales enterprises in North China. All varieties, superior quality, reasonable price, Main: high pressure boiler tube, 15crmog alloy tube, 40Cr seamless steel pipe, 12Cr1mov alloy tube, etc.. The lowest price, the best service! Units with a good reputation, perfect service, adequate supply in the domestic industry reputation! Location, transportation is very convenient. The unit annual proxy Shanghai Baosteel, Baotou, Inner Mongolia, Tianjin big seamless, Tianjin seamless, Hunan Hualing Special Steel, Anshan Iron and Steel Company, Liaoning, Chengdu steel mills