1) Materials:
a) Frame: 1.5mm cool rolled steel
b) Door plate: 1mm cool rolled steel
c) Inner: fire resistant material filled according to the class rating of the
fire
2) Components:
a) Fireproof gemel, fireproof lock, bolt
b) Fire-resistant glass and door
c) Closer are optional
3) Door surface door is rustproof, and fire-, smoke- and heat-resistant
4) Single door and double door opening and closing
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