The fireproof door lock is required to open the door quickly and conveniently, so there is no lock cylinder. The fireproof door lock structure is firm, durable and reliable, and is applicable to any emergency exit, emergency passage, etc. When there is danger, it can increase the flow of people through time and evacuate people in time.

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.