Professional production of spiral steel pipe and pipe anti-corrosion insulation, with diameter of 219 - 2500 production lines in diameter, wall thickness 6-25, plate material choice, do 3PE Anti-corrosion, polyurethane insulation, paint, 8710 paint coatings and other projects of drinking water . In addition the company also operates the seamless steel pipe, ERW oil casing and tubing. Longitudinal specifications have 4 minutes, 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 1-12 Longitudinal thick, hot-rolled seamless steel pipe products perform: SY/T5037.GB/T9711, GB / T8162-1999, GB/T8163-1999 standard, widely used in oil and gas industry, chemical industry, transmission fluid pipe, bridge piling, and steel and other infrastructure projects. Customized according to user needs special specifications, special wall thickness steel pipe and pipe fittings. To enhance product quality control, purchase of automatic ultrasonic, X-ray industrial TV, X-ray real-time imaging, 1,000 tons of computer automatic hydrostatic testing machine, 60 tons universal testing machine, Charpy impact test machine and other important testing equipment, production equipment, the introduction of the U.S. Lincoln automatic welding, the whole row of Mannesmann of Germany MEG and roll equipment, high technology, advanced technology. Produce Q235, Q345, 20 #, X42-X70 various types of steel. Products by the Chinese petroleum industry pipe pipe quality professional supervision and inspection center, Tianjin Province Product Quality Supervision and Inspection Station of steel test the detection performance Cangzhou full compliance GB/T9711.1-1997, SY/T5037-2000, GB3022 and GB5040 standards. Widely used in oil and gas, thermal power generation, water and piling. http://www.thgangguan.com spiral steel pipe http://www.naimoguanjian.com Spiral Pipe factory tubing http://www.hbthgg.com