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Company business center annual operating 閬?19-閬?820 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. The company also consists of steel processing plants, paper tube plant. Steel factory main production, processing, marketing Subway bracing specifications: 閬?00, 閬?10, 閬?30, 閬?20, 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 閬?00-閬?040 thickness 8mm-40mm, process... [
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