Steel fire doors have good fire prevention and sound insulation effects, and also have a certain anti-theft effect. They are suitable for cinemas, recording studios and other places. Steel fire doors have good adaptability to the environment, and good thermal insulation performance ensures that no fire will occur.

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.