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Hengchang Pipe Industry Co., Ltd. Shandong Factory Direct: alloy tube | 16mn alloy seamless steel pipe | Q345QD bridge 12cr1MoVG alloy seamless steel pipe seamless pipe | large-diameter seamless steel pipe | American standard seamless steel pipe | Steel Pipe | American standard seamless Tube Seamless steel pipe, low-alloy pipe, 1cr5mo alloy steel pipe, 16mn, 27simn-manufacturers: Chengdu, Tianjin, Shanghai, Baotou, Wuxi, Anhui, Guangdong, Hengyang, Shandong seamless operated by our company as follows: 10,20,35 , 45,20 G, DZ40, DZ50, N80 alloy tube: 16Mn, 12mn, 27SiMn, 12Cr1MoV, 15CrMo, 20cr, 40cr, 10CrMo910, A335P22, A106B, A335P91, Cr5Mo, A335P11 and other materials. Executive Standard: GB8162-1999, GB8163-1999, GB3087-1999, GB5310-1995, GB9948-88, GB6479-2000 GB5312-85 and so on. Production of seamless steel - structural tubes, fluid pipes, boiler tubes, alloy pipe, geology pipe, welded pipe, hot-rolled pipes, cold-drawn tube, which is an intensive scale, flexible technology and systems into one, Lu Materials System western region of large-scale circulation enterprises of metal pipe. The company for many years with new and old customers to visit the spot for purchase.