... Q235/Q345B 3. Application: warehouse, workshop, hanga steel structure warehouse & workshop Steel structure warehouse is widely used in easy factory construction. It ... V-type or other type bracing made from angle, round pipe, etc 6) C or z purlin: Size from C120 ... 50mm~100mm,8)Accessories: Semi-transparent skylight belts, Ventilators, down pipe, Glavanized gutter, etc9)Surface: Two lays of Anti-rust ...