Ssaw steel pipe,erw steel pipe,petroleum steel pipe,pipe pile
Our company now has 3 longitudinally h.f. welded pipe mills, 6 spirally double-side submerged arc welded pipe mills, and 2 anti-corrosion pipe mills. our main products: erw: d: 21.7-457.2mm; t: 1.8-14.27mm spirally submerged arc welded pipe: d: 219-3040mm; t: 5.0-30mm