Top-grade folding fire shutter with lifting function

Applicable to fire escape openings, arched openings, "L" shaped openings, "U" shaped openings, and SLZS-04 square openings with spans of no less than 20 meters. Particularly suitable for large spans and irregular spaces, such as shopping mall escalators, atriums, exhibition halls, airport waiting halls, large-scale stage theaters, and convention centers where construction is challenging. Our company specializes in producing high-quality fire-resistant roller shutters, offering excellent quality and reasonable prices. Welcome to visit and make your selection.