... --2.0mmFireproof quality hinges, locks,handles, installing bolts, plug pin (door closer and push-open bar are available for choice)3) Inside ... , plastic bag and strong carton7) Fire proof windows and rolling door are available1. According to GB12955-1991, passed ISO9001:20002. The ... thickness of steel sheet of door leaf is 0.6-1 mm, the thickness of steel ...