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. http://www.thgangguan.com spiral steel pipe http://www.naimoguanjian.com Spiral Pipe factory tubing http://www.hbthgg.com