JSGG.JSGG was established on April 30, 2008, with its registered location in Guangling Industrial Park, Yangzhou City. The company currently operates one domestically leading JCOE straight seam double-sided submerged arc welded pipe production line, eight sets of three-roll plate rolling forming equipment for straight seam double-sided submerged arc welded pipes, and four spiral seam double-sided submerged arc welded pipe production lines, with an annual designed production capacity of 400,000 tons. It can supply welded pipes in batches with diameters ranging from φ219 to φ8000mm, wall thicknesses from 4mm to 150mm, with lengths ranging from 1.5m to 131.6m. We also provide complementary steel pipe fittings and various types of anti-corrosion steel pipes. Our products are widely applied in offshore wind power, high-speed rail and subway deep foundations, channel dredging, wharf and bridge pile foundations, urban pipeline networks, steel structures, and ultra-high voltage transmission grids. Primary products include: steel pipe fittings and anti-corrosion steel pipes.