Strong and durable, reasonable layout. The outer frame of the equipment compartment is made of high-quality carbon steel plates, the inner frame is made of high-strength aluminum alloy profiles, and the internal overlap structure is designed and manufactured. The interior panels are made of patterned aluminum plates, and the surface is anodized, which is strong and durable. In terms of structure, the equipment compartment is reasonably arranged, the equipment is more convenient to use, and the special clamp fixing device makes the equipment storage more secure.