タイトルまたは説明

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