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High-Quality Steel Fire Doors for Commercial Use. Multi-Certification Compliance: Certified by EN, BS, AS, UL, NFPA, and ASTM standards for global market access. Customizable Dimensions: Frame thickness (50/70mm) and depth (100/120mm) support customization. Flexible Color Options: Supports RAL color system customization with powder coating or spray painting. High Fire Resistance: Fireproof rating ranges from 30 to 180 minutes based on filling material. Durable Steel Construction: Door leaf 1.0mm and frame 1.5mm thick galvanized steel plates. Versatile Applications: Suitable for cable wells, flues, elevators, stairways, and commercial spaces.