Large diameter spiral steel pipe manufacturing company

It has 13 advanced spiral seam double-sided submerged arc welded steel pipe production lines, φ 219- φ Two 2420mm three-layer polyolefin (PE, PP) coating production lines; φ 406.4- φ Two 3620mm internal and external liquid epoxy anti-corrosion production lines, φ 406.4- φ There are two 2540mm internal and external epoxy powder anti-corrosion production lines. High standard physical and chemical laboratories and advanced testing equipment are the reliable guarantee of product quality