... JIANG SHENDING DOOS CO.,LTD 1.High-performance blast door(CE,ISO2008,SGS,EC,5S)Standard Features (1 ... ): 2050 x 860/960mm(4). Thickness of the door leaf: 50,70,90,110mm(5). Stuffing material: ... type B key,so this kind of lock is safe.(7). Hinges: galvanized steel hinges (external hinge,opening ... 180 degrees,interior hinge,opening 90-110 degrees)(8). Door sill: stainless steel(9). Double-layer rubber sealed ...