We are specialized in producing high-tech ERW (Electric Resistance Welded), SSAW (Spiral Submerged Arc welded) pipes and scaffolding couplers. Our company has advanced 610 mm high-frequency straight seam resistance welding machine, and 3048mm spiral submerged arc welded machine. As well, besides ERW and SSAW factories, we have another three associated factories for LSAW and SMLS production throughout China.