The company is widely used in national economic spiral steel pipe in various fields: 1, oil, gas and coal industry is one of the main users of the company, has become the transportation of water, oil, gas coal and other substances indispensable material. Pipeline has a huge economic benefits, pipeline construction investment is less than the railway 1 / 2, freight only railway 1 / 3, saving manpower, material and financial resources, but also shorten the construction period, transmission capacity, easy to use, safe and reliable. 2, in the construction industry, spiral steel pipe is used in bridges, factories, harbors, culverts and equipment and components based on steel piles. 3, in agriculture, for farmland irrigation and drainage engineering, ducted through wall pipe and water pipe. 4, in the industrial and communications enterprises, for general fluid transport, gas, low container production, storage tanks, tea stove, chimney and structure of the tube. 5, can be used to transport solids, such as ash, coal, slag. 
 My company used in all SY/T5037-2000, GB/T9711.1-1997 standards and APISpec5L standard production φ219-φ2320, Q235, Q345, 10 # steel, 20 # steel, 16Mn, L245, L290, L360, X42-X70 steel level of different thickness of the "Tian Hui" brand spiral submerged arc welded pipe. Products are widely used in natural gas, petroleum, chemical, electric power, heat, plumbing, steam heat, with hydropower penstock, power generation, water and other long-distance pipelines and piling, bridges, steel and other engineering fields. The company also from Jinxi Petroleum Steel Pipe Plant and Baoji Petroleum Steel Pipe Plant five distinguished industry leading engineers to ensure product quality. The company quality-based, full implementation of quality management. 2001 passed the ISO9002 quality management system certification, and in May 2003 passed the ISO9001-2000 quality management system certification in order to win the trust of our customers quality, science and technology to meet the market, the product that is character, integrity is life. Customer satisfaction is our eternal pursuit. Our commitment: the same quality of steel, steel prices low. 
 http://www.thgangguan.com http://www.naimoguanjian.com