LXB-91 Manufacture period:30-45 days Forming: Hot-Rolled Steel Carbon Structural Steel: Q345B & Q235B Application: Steel Workshop,steel warehouse, Steel Structure Platform, Steel Fabricated House, Structural Roofing Eaves Gutter: PVC, galvanized steel, stainless steel, color steel sheet Roof Insulation: Steel Sheet, Sandwich Panel, cement board or cast-in-place concrete Connection Form: Bolt Connection Origin: Foshan Guangdong, China (Mainland) Economic span:10m-40m Wind speed:0-300KM/H