... security vault door:The vault door has beautiful appearance of stainless steel, firm structure, flexible opening, security, anti-cutting ,anti-drill ,anti-fire ,anti-impact, ... 1 mm(1Cr18Ni9Ti), 8 mm steel door plate ( Q235) ,3 mm stainless anti drill plate ,,60 mm fireproofing layer ... luxury stainless steel barrier door inside with high-class anti-theft lock, Open is convenient double door gate of the ...