... steel 2 Finishing: 8 special coatings 3 Aluminum serging Factory Door Specification: Explosion Door & Bullet Proof Door1Door TypeBullet ... reinforced galvanized panel inside12LockABC super grade B anti-theft lock system,Fingerprint lock13Side lockAvailable14HingesReinforced,adjustable, Each can bear ... , anti-fading for decades. 4, Lock system using top-advanced lock cylinder,ABC super grade B anti-theft ...