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.