The interior of the steel fireproof door leaf is filled with new environment-friendly flame retardant and thermal insulation materials, and the concave and convex parts of the door face are shaped by professional equipment and pressed by environment-friendly adhesives. The fireproof door is sealed at the junction of the door leaf and the door frame and around the fireproof glass, which greatly enhances the fireproof performance.

ZHTdoors fire doors, 31 years of production experience in fire doors and Windows. The main UL fire doors, EN fire doors,  BS EN fire doors, etc.,.We have certification.ZHTdoors support OEM and free design.Our advantages:good quality, factory price, good service.Welcome to consult us.