UL fireproof door has a fire rating of 20-120 minutes. The material of UL fireproof door leaf includes galvanized steel plate, stainless steel plate and coated steel plate, which can be used as single leaf/double leaf 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.