Production of anti-corrosion steel pipe manufacturers of polyethylene pipe insulation black jacket pipe insulation 
 www.naimoguanjian.com www.thgangguan.com 
 My entire to adopt SY/T5037-2000, GB/T9711.1-1997 standards and APISpec5L standard production φ219-φ2320, Q235, Q345, 10 # steel, 20 # steel, 16Mn, L245, L290, of L360, X42-of X70 steel class different thickness of the "Tian Hui" brand spiral submerged arc welded steel pipe. The products are widely used in natural gas, petroleum, chemicals, electricity, heating, drainage, steam heating, hydropower pressure steel pipe, thermal power, water and other long-distance pipelines and piling, bridges, steel structures and other engineering fields. ??? The company also Chair of the well-known engineers in the industry five Jinxi Petroleum Steel Pipe Plant and Baoji Petroleum Steel Pipe Plant to ensure the quality of the product. ? Quality based on the full implementation of quality management. Through the ISO9002 quality management system certification in 2001, and passed the ISO9001-2000 quality management system certification in May 2003???? Quality to win the trust of customers, technology to meet the market, the product that is character, integrity is life . Customer satisfaction is our eternal pursuit. The company is committed to: the same quality steel, steel prices the lowest. 
 Hebei Spiral Steel Pipe Plant, Hebei straight seam submerged arc welding of Steel Plant Spiral Pipe factory, submerged arc welding straight seam steel pipe factory, the heat pipe plant, pipe insulation plant, heat pipe factory, anti-corrosion steel pipe plant, corrosion pipe plant, pipe anticorrosion insulation plant. pipe insulation, anticorrosive plant, hot-rolled steel plant, penstock plants, pressure pipe plant, pipe fittings, plant, spiral steel pipe manufacturer, straight seam steel pipe manufacturers, hot-rolled steel manufacturer, the penstock prices, spiral steel pipe prices, hot-rolled steel price, straight seam steel pipe prices, anti-corrosion steel pipe prices, the prices of pipe insulation, pipe production base in China, China pipe manufacturing base. Specializing in the production of different caliber and different grade of steel "Tian Hui" brand of spiral steel pipe, straight seam steel pipes, hot-rolled steel pipe, hot expanded steel pipe, pressure pipe, pressure pipe, anti-corrosion steel pipe, anti-corrosion pipe, pipe insulation, pipe insulation, heat pipes, piling steel pipe, dredge pipe. All the SY/T5037, GB/T9711, GB/T8163, GB/T8162 APISpec5L standard. Professional production and operation of spiral steel pipe, straight seam steel pipe, spiral welded steel pipe, straight seam welded steel pipe, spiral wound steel pipe, spiral steel pipe, double-sided submerged arc welding, double submerged arc welding straight seam steel pipe, spiral welded pipe, straight seam welded pipe, SSAW steel pipe Hebei spiral steel pipe, Hebei, spiral pipe, spiral pipe, ERW straight seam steel pipes, high frequency welded straight seam steel pipe, welded steel pipe, hot expanded steel pipe, hot-rolled steel pipe, pressure pipe, pressure pipe, heat pipe, pipe insulation, thermal insulation pipes, pipe insulation of a black jacket, black jacket, insulation pipe, pipe insulation of yellow jacket, yellow jacket insulation pipes, polyurethane pipe insulation, polyethylene pipe insulation, fiberglass insulation pipe, composite silicate pipe insulation, insulated pipeline buried, buried prefabricated pipe insulation, steel sets of steel pipe insulation, anti-corrosion steel pipe, anti-corrosion pipeline 2PE/3PE polyethylene anti-corrosion steel pipe, steel pipe FBE dissolution epoxy powder anti-corrosion steel pipe, pipe coal tar epoxy anti-corrosion steel pipe, steel pipe, cement mortar lining anti-corrosion steel pipe, www. bengguan168.com