Model NO.: LXPH-21 Standard: GB, ISO Forming: Hot-Rolled Steel Carbon Structural Steel: Q195B & Q235B Application: long life time family house, structural Roofing, steel office, steel dormitory, steel shop, steel coffee shop, interim school, interim hospital and so on. Roof Insulation: Steel Sheet, Sandwich Panel, cement board Transport Package: Normal closed container Origin: Foshan Guangdong, China (Mainland) Type: C section steel, square tube, angle steel Connection Form: Bolt Connection Certification: ISO