Specializing in the production of spiral steel pipe and pipe anti-corrosion insulation, has a diameter of 219 - diameter of 2500 production line 3, the wall thickness of 6-25, the steel plate material choice, do 3PE anti-corrosion, polyurethane insulation, rust, 8710 drinking water, paint coatings and other 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. http://www.naimoguanjian.com pump the tube http://www.hbthgg.com spiral http://www.thgangguan.com spiral steel pipe http://bengguan168.com pump tube