A: The cabinet is made of double-layer steel plate, with air layer and insulation layer as inner layer. The insulation layer is made of A1 fireproof material, which has low thermal conductivity, good thermal insulation, low density and high hardness; B: The cabinet coating is sprayed with epoxy resin powder, which is corrosion-resistant; the coating process is safe and reliable, with strong adhesion, and it will not delaminate even in the hidden places that cannot be touched in the cabinet; C: Cabinet door: It has highly safe sealing, the sealing gap is less than 2mm, and the door panel fits the cabinet better, effectively blocking the fire from entering the cabinet; D: It has a self-closing mechanism for air intake and exhaust vents in case of fire, which blocks the inflow of external hot air in case of fire; E: Warning slogan: with reflective, 3M material, visible distance of 20 meters at night: equipped with warning slogan; F: It meets the 90-minute fire resistance test. G: It is equipped with an anti-dumping device to effectively prevent the cabinet from dumping.