Steel fire door closers, sequencers, hinges and other easily worn accessories are high-quality hardware, and the use times are strictly tested to ensure the service life of the product. The steel fireproof door has a good airtightness, which is closed in place and tightly, and will not leave a crack in the door to cause the indoor air conditioner and heater to overflow.

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.