2025.10
Fireproof rolling shutter door is a type of fire prevention and insulation facility suitable for large openings in buildings, which plays a certain role in the design and installation technology of the product.
2025.10
1. Visually inspect whether the door rail and door leaf are deformed, blocked, and whether the manual button is locked properly.2. Check if the electrical control box of the rolling shutter door has normal signals and if the box is damaged.