Upper structure configuration: The body is manufactured by a vacuum and hydraulic integrated molding production line. It is made of sandwich composite bonding, with insulation performance reaching national A-level standards. The inner and outer wall panels are made of high-quality fiberglass from China; the insulation layer in the middle is XPS extruded polystyrene board. Stainless steel door lock hinges, stainless steel door frame and hinges, energy-saving LED lighting fixtures inside the body.
