Tianjin Tiancheng Steel Trade Co., Ltd. is a source specializing in the production and operation of seamless tube of large enterprises. After nearly a decade of efforts, has become a large-scale stainless steel seamless pipe, alloy steel pipe, copper pipe, 16mn seamless steel pipe, 16mndg cold seamless tube, 16mnd low-temperature specifications, 27simn steel, gcr15 bearing steel, hydraulic prop tube , 10crmo910 alloy steel pipe, 42crmo seamless, 35crmo seamless steel pipe, 15crmog seamless steel pipe, 20g high-pressure pipe, 20g high-pressure boiler tubes, 12cr1monvg alloy tube, 12cr1movg seamless pipe, seamless steel pipe, alloy pipe, stainless steel pipe, Line Pipe , high-pressure boiler pipe, oil cracking pipe, fertilizer exclusive control, a335p91 alloy steel pipe, cr5mo seamless steel..