Spiral Pipe 3pe anticorrosive 13,832,709,986 
 Subsidiary Hebei Hebei Yuan Cheng (steel pipe) Industrial Company http://www.hblxgg.net Spiral Pipe factory, submerged arc welding spiral steel pipe plant, spiral welded steel pipe plant, spiral submerged arc welded steel pipe factory, Hebei pipe insulation plant, Changzhou anti-corrosion steel pipe plant, pipeline corrosion insulation plant, pipe insulation, anti-corrosion factory, hot-rolled steel plant, straight seam steel pipe plant, pipe fittings plant, penstock plants, pressure pipelines, plant, penstock installation, pressure steel pipe manufacturing, the prices of the penstock, spiral steel pipe price price spiral pipe, spiral steel pipe specifications, steel prices, the prices of hot-rolled steel, hot rolled pipe price, straight seam steel pipe prices, straight seam pipe prices, manufacturers of steel pipe, spiral steel pipe standards, spiral steel pipe market, steel market, steel pipe manufacturer, spiral steel pipe manufacturers, steel manufacturers, steel plant, steel factory, steel manufacturing company steel manufacturing companies, steel manufacturers, steel pipe suppliers, spiral pipe production base, the steel market, steel market, steel market, steel market, steel knowledge. D219mm-D2420 * specializing in the production of 5-32mm, of Q235, Q345, 10 #, 20 #, 16Mn, L245, L290, of L360, X42-of X70 steel grade of "dollars into a" brand spiral submerged arc welded pipe, D340mm-1420 * 6 50mm large diameter thick wall SAW straight seam steel pipes, hot-rolled steel pipe, hot expanded steel pipe. The products are all to GB/T9711.1-1997 SY/T5037-2000, GB/T8163 GB/T8162, APISpec5L standard production.