
High-Standard Steel Fireproof Rolling Shutter Door for Security Isolation. Explosion-Proof Grade: Provides explosion-proof protection with a grade of less than 4 hours. Wind-Resistant Design: Specially designed for coastal and windy areas, featuring typhoon and sand-proof capabilities. Customizable Specifications: Offers full customization from samples, designs, and flexible options for special project needs. Fire Protection Compliance: Strictly complies with national fire protection standards including GB 14102-2005. Durable Material Construction: Made of high-strength galvanized plate, aluminum zinc plated, or stainless steel. Multi-Function Protection: Features rain-proof, moisture-proof, noise-isolating, cold-proof, and sun-proof functions. 1-Year Warranty Coverage: Covers quality problems with free maintenance and spare parts replacement within 1 year. ISO9001 Certified Quality: Certified by ISO9001:2015 with 100% finished product inspection.