Straight seam steel pipe straight pipe joints small straight seam steel thick-wall straight-seam pipe www.bengguan168.com 
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 www.hbthgg.com specializing in the production of spiral steel pipe and pipe anti-corrosion insulation, 3 has a diameter of 219 - 2500 production line in diameter, wall thickness of 6-25, the steel plate material choice do 3PE anti-corrosion, polyurethane insulation, anti-rust paint, drink 8710 water paint coating projects. In addition the company also operates a seamless steel pipe, ERW oil casing pipe. Longitudinal specifications 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, 8 inch, 102,108,127,133, 139,159,168,177,194,219,273,325 and other specifications, wall thickness of 1-12 thick Longitudinal, hot-rolled seamless steel pipe, the product execution: SY/T5037.GB/T9711,, GB, / T8162-1999, GB/T8163-1999 standard, widely used in oil and gas industry, chemical industry, the transmission fluid pipelines, bridges, piling, infrastructure projects and steel structure. Special specifications, special wall thickness steel pipe and pipe fittings customized according to user needs. To enhance product quality control, the purchase of automatic ultrasonic, X-ray industrial TV, X-ray real time imaging, and 1000 tons of computer automatically hydrostatic pressure testing machine, 60 tons universal testing machine, Charpy impact test machine and other important testing equipment, production equipment, the introduction of the United States Lincoln automatic welding German MEG and the Mannesmann full row roller equipment, high technology content and advanced technology. Produce of Q235, Q345, 20 #, X42-of X70 various models of pipe. Products Quality Supervision and Inspection Center of China's petroleum industry pipe professional pipe, steel products in Tianjin Province Quality Supervision and Inspection Station the Changzhou test detected the performance of full compliance with GB/T9711.1-1997, SY/T5037-2000, GB3022 and GB5040 standards. Widely used in oil and gas, thermal power generation, water and piling. 

 -2000 Version of the quality management system certification, and quality to win the trust of customers, and science and technology to meet the market, the product that is character and integrity of the company based on quality, the full implementation of ISO9001 quality 
 Professional production and operation of spiral steel pipe, spiral welded steel pipe, spiral wound steel pipe, the double-sided submerged arc welded pipe, double submerged arc spiral steel pipe, submerged arc welded pipe, spiral welded, of SSAW pipe, Hebei spiral steel pipe, spiral steel pipe Cangzhou Tian Hui of spiral steel pipe, spiral pipe Hebei Cangzhou spiral pipe, day benefits spiral, spiral pipes, seamless steel pipe, seamless pipe, straight seam steel pipe, straight seam welded pipe, ERW straight seam steel pipe, hot-rolled steel pipe, hot expanded steel pipe welded steel, galvanized steel pipe, galvanized pipe, penstock, power station penstock, anti-corrosion steel pipe, pipe insulation, oil and gas 2PE/3PE polyethylene coating, FBE dissolution epoxy powder pipe coating, coal tar epoxy paint steel pipe cement mortar lining anti-corrosion, black and yellow jacket pipe insulation, oil pipe, gas steel pipe, piling pipe, pillar of steel pipes, dredging Steel Pipe, lose mud Steel Pipe, flanges, elbows, bends, tee, the size of a top tube. 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. 
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