The steel fire door is formed by connecting the door frame and door leaf through hinges. The door shall be equipped with door closer and fire lock. The double door shall also be equipped with concealed bolt and aligner to prevent the overlap of the middle seam of the door leaf. The fire door leaf shall be equipped with glass, which shall have the same fire resistance limit as the door.

Mga pultahan sa sunog sa ZHTdoors, 31 ka tuig nga kasinatian sa produksiyon sa mga pultahan sa sunog ug Windows. Ang nag-unang 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.