- 15
- Nov
UL Fireproof Door Vent
The wind resistance of the glass fire door is no worse than other fire doors. The inner frame of the fire door is hollow, with strong wind pressure deformation resistance and good vibration resistance.
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.