Tangshan Yuantai Derun Steel Pipe Factory

Tangshan Yuantai Derun new Factory New flagship product: zinc aluminum magnesium steel pipes Hot dip galvanized steel products Photovoltaic bracket products Zinc aluminum magnesium steel coil products The group’s main structural steel pipe products include: Steel hollow section: Square hollow section: 10 * 10-1000 * 1000mm Rectangular hollow section: 10 * 15-800 * 1200mm Circular hollow section: Standard: ASTM A00/A50 EN10219/10210. JIS G3466, GB/T6728/3094 AS1163 CSA G40 20/G4021