1, the structure of international standards : 19 inches overall welding from both sides, the side door and the back door of plastic clasp, compensates steel door, the front door of toughened glass; 2 : 0.8mm-1.5mm quality cold-rolled steel production materials; 3, configuration : laminates, fans, power alignment column (customer demand); 4, the surface : pickling, electrostatic spray; 5, as the overall color : blue and white.