manufactures large-diameter spiral steel pipes of  Φ159mm to 3500mm and wall thicknesses 5mm to 28mm, using Lincoln automatic welding machine for large-diameter spiral steel pipes imported from the United States and German JCOE steel pipe shaping techniques. In 2001, in addition to the four LSAW production lines that we have, our company bought one state-of-the-art ERW production line, which is capable of making ERW steel pipes of diameters 76mm-610mm and wall thicknesses 3mm to 18mm, applying standards API 5L, ASTM, BS, etc. In order to raise the competitiveness of our steel pipes, our company has imported from Israel AS-200 UT testing equipment of worldly authority, which has greatly improved the quality of our spiral steel pipes, LSAW steel pipes, and seamless steel pipes, laying a solid foundation for the development of our company. Our products are widely used in industries such as petroleum, natural gas, steel structure, thermal power, ship making, etc.

 

Our company is also equipped with an anti-corrosion and an thermal protection production line, major products including single or two-layer fusion bonded epoxy power FBE, 2PE, 3PE, 2PP, 3PP, etc.