... Roof: EPS, Rockwall, PU sandwich ,corrugated steel sheetDoor: Rolled up door or Sliding doorWindow: Plastic steel or Aluminum alloy windowSurface ... which can be made into normal type, sliding type or roll up type .10.packing :main steel frame without packing load ... PU etc insulation8.Window and doorPVC or Aluminium Alloy windows,roll up door or sandwich panel sliding doors,9.accessories:semi-transparent ...