is specialized in producing, processing and marketing all kinds of steel pipe business. Thermal expansion of steel plant's annual sales Φ198-Φ630 processing all kinds of heat expansion of steel, the company business center annual operating Φ219-Φ2820 all kinds of double-sided submerged arc spiral welded steel pipe. And intermediate frequency furnace seamless steel pipe, pipe specifications are: 4 points, 6 points, 1 inch, 1.2 inch, 1.5 inch, 2 inch, 2.5 inch, 3 inch, 4 inch, 5 inch, 6 inch hot and cold high-frequency welding galvanized steel and general steel. Sale priced at a special invisible straight seam welded steel pipe: 102,108,121,127,133,159,168,180,194,203,219,273,325,377,426 and large diameter steel pipe. We also specilized in galvanized steel coils and color galvanized steel coils.The specification as follows:zinc:60-300g/m2 width:40mm-1250mm thickness:0.15mm-2.0mm.Hot dipped or not .The company also consists of steel processing plants, paper tube plant. Steel factory main production, processing, marketing Subway bracing specifications: Φ600, Φ610, Φ630, Φ820, producing products for Beijing, Tianjin, Shenyang, Xi'an, Changsha and other major metro projects across the country. Volume control plant with a large pipe rolling machine 5 sets, 8 sets of automatic welding machine, paper tube specifications Φ400-Φ2040 thickness 8mm-40mm, processing and marketing of large diameter front pipe, welded pipe length, no front of the large-diameter steel pipe. The company is willing to excellent quality, good management, reasonable prices, friendly service and new and old customers sincere cooperation, mutual benefit and create a better tomorrow.