... up door or Sliding door(sandwich panel)Window: Plastic steel or Aluminum alloy windowSurface: Hot dip galvanized ... shed, Exhibishion Hall,Office buildings, Garage,Multy-story building,Hanger,Agricultral storage,Logistic centers,and all kinds ... high rise and multi-storage civil architecture, office building, teaching building, hospital building, and villa. steel structural workshop Drawings:Mateials: