1. Comply with ansi/eia, rs-310-d; iec297-2; din41491: part1; din41494: part7; gb/t3047.2-92 standard and etsi standard. 2. The patented framework is made by connecting double tube section and special tee in optional assembly and welding structures, and has a firm integral structure with static load of 1, 500kg. 3. The elegant and gorgeous high-density mesh front door and side-by-side mesh rear door and air vents with the vent area no less than 75% of the cabinet door provide the optimal horizontal air flow; the front door can be tempered glass door with internationally popular color. 4. The integral left and right side door can be rapidly assembled and disassembled, and also can have two-section or three-section style. 5. It can be installed with the universal trundle and supporting legs to facilitate the movement and fixation. 6. The front door can be opened on the left or right as required; the top incoming hole is equipped with the rubber cord cover. Pp+form+carton