Spiral Pipe factory in Hebei straight seam steel pipe factory Hebei spiral steel pipe factory http://www.zglxg.cn straight seam steel pipe factory, Hebei pipeline corrosion insulation plant all SY/T5037, GB/T9711.1 standards and APISpec5L standard production φ219-φ2420 * 5-24mm, Q235, Q345, 10 #, 20 #, 16Mn, L245, L290, of L360 such as different thickness of the steel grade large diameter spiral steel pipe, large diameter thick-walled straight seam steel pipes, spiral welded steel pipe, spiral welded tube, spiral pipe, straight seam steel pipe, straight seam welded pipe, pressure pipe, hot-rolled steel, welded steel pipes, pipe insulation, anti-corrosion steel pipe, elbow, flange, tee, head size, big bend, valve, pipe pieces. The products are widely used in natural gas, petroleum, chemicals, electricity, heating, drainage, steam heating, hydropower pressure steel pipe, thermal power, water and other long-distance pipelines and piling, bridges, steel structures and other engineering fields. Welcome! Contact: Liu Jiansheng Tel: 13832709986 0317-6260880 Fax :0317 -3093086 Website; http://www.hblxgg.net