The steel fireproof door is a door made of steel materials. The door leaf is filled with environment-friendly flame retardant and thermal insulation materials that are harmless to human body, and the door is composed of fireproof hardware fittings. In addition, the junction of the door leaf and the door frame and the periphery of the fireproof glass are sealed with fireproof sealing treatment, which greatly increases the fire resistance of the fireproof door.

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.