Fire curtain doors are composed of 13 parts: curtain slats, seat plates, guide rails, supports, drum, housing, control box, door operator, limit switches, door lintel, manual rapid release switch device, push-button switches, and safety devices. They are generally installed in locations on fire-resistant walls that are not easily separated, such as open elevator lobbies, escalators, large business halls of department stores, exhibition halls of exhibition buildings, and some large openings in buildings where fire-resistant doors and windows cannot be used.

"Daifu Shi" brand Class A inorganic fabric fire-proof roller shutters produced by Beijing Daifu Shi, with a fire resistance of over 3 hours on the back side, can be customized according to on-site conditions, offering standard and non-standard products, meeting fire inspection requirements.