Box configuration: the box body is a double-layer metal skeleton structure, the outer plate is cold rolled steel plate, the middle is filled with flame retardant foam, and the interior is aluminum plate. The bottom plate is covered with anti-static rubber on a flat surface. Install fixed cargo sleeping rings on both sides of the compartment, with anti-theft alarm on the door frame and smoke alarm on the top. Optional side door on the right side of the compartment, equipped with 2 fire extinguishers, danger signs, fireproof hats, and triangular top lights for dangerous goods