There are 4 types of fire door locks. 1. Fireproof lock: there are lock body, lock cylinder, fireproof handle and key. 2. Fire passage lock: generally use the passage of the stairwell. 3. Tube well lock: used for fire doors in shafts and tube wells. 4. Push rod lock: If there is an escape channel, if you need to escape, an escape lock should be installed. You can consult us about the functional characteristics of fire door locks.

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.