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.

Deriyên agir ZHTdoors, 31 sal ezmûna hilberînê di deriyê agir û pencereyan de. Deriyên agir ên sereke yên UL, deriyên agir EN, deriyên agir BS EN, hwd.. Em xwedî sertîfîkayê ne.