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Our main products have seamless steel pipe (hot-rolled, cold drawn); spiral steel pipe, straight seam welded steel pipe; heat- expanded steel pipe; large diameter and thick wall steel pipe and alloy steel pipe.Our company owns seamless steel pipe production line(Di Saier seamless punch), the American Lincoln double submerged arc spiral pipe production line, high-frequency straight seam steel pipe production line, and the mid and high frequency pushing machine for heat expanded pipe line. The annual outputs of our company are as follows: the annual production capacity of seamless steel pipe with diameter from 20mm to 910mm and wall thickness from 2.0mm to 26mm, is 100,000 tons; diameter of the double-sided submerged arc spiral steel pipe is from 219mm to 3600mm,with wall thickness from 6.0mm to 30mm, and annual production is 200,000 tons; diameter of straight seam electrical resistance welding steel pipe(ERW) is from 21.3mm to 457.2mm, with wall thickness from 1.8mm to 14.27mm ; straight arc pipe with diameter from 310mm to 3200mm and wall thickness from 6mm to 60mm is 100,000 tons; diameter of heat-expanded seamless steel pipe is from 245mm to 920mm with wall thickness from 6.0mm to 34mm and the annual production is 60,000 tons; large diameter and thick wall steel pipe with diameter from 351mm to 3600mm and wall thickness from 26mm to 80mm, is 100,000 tons.
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