1)Automatic Damper 2)1 container for standard series 3)European-style blower 4)Fire fighting apparatus surface 5)OEM availab Cabin SystemWallboard: EPS (epispastic polystyrene) colorful steel skinned style, thickness is 50mm, tongue & groove structure, aluminum-alloy frame, anti-flame and heat-insulation, galvanized steel roof panelBasement:galvanized steel plate and quadrate steel pipe assemble, ...