According to the fire door specification, each fire door has its own identity tag, which is the electronic ID card of the fire door. The fire door label is generally pasted on the upper right corner of the door leaf. The label can know the manufacturer information, product production date, specification grade, number and other information.

ZHTdoors fire doors, 31 taong karanasan sa produksyon sa fire door at Windows. Ang pangunahing UL fire doors, EN fire doors, BS EN fire doors, atbp.,.Kami ay may certification.ZHTdoors support OEM at libreng disenyo.Our advantages:good quality, factory price, good service.Welcome to consult us.