Cold-rolled steel plate, anti-scratch, anti-rust spray, strong impact resistance, anti-corrosion and anti-moisture, long-term use without rust. The side door, front door and back door are removable, convenient for equipment installation, transportation and wiring, durable elastic rotary lock with handle and hexagonal mesh front door, two sets of keys. There are air vents or cable inlet ports at the bottom of the cabinet. One to four fans are configured on the top of the cabinet based on the depth to dissipate heat for stable device running. And can be adjusted up and down to facilitate the installation of equipment, the bottom are arranged with cable holes, according to the needs of the project disassembly, wiring more flexible, convenient. The use of 3C certified tempered glass, strong permeability to the internal equipment state at a glance, beautiful cut impact resistance.