The steel fire door is relatively more stable than the wooden fire door, and the whole cold rolled steel material is not easy to be damaged by human. The steel fireproof door can be filled with a variety of fireproof materials, which has a good fire and smoke prevention ability, and also has a very good sound insulation effect.

https://ztfiredoor.com/24114.html

sliding door emergency exit,emergency egress lock,security fire exit door,emergency exit door,fire exit door with magnetic lock,fire exit gate locks,sliding door emergency exit,fire exit door,security fire exit door,fire exit door with magnetic lock,fire door and fire exit,sliding door emergency exit,fire exit alarm,security fire exit door,emergency door lock,fire exit door with magnetic lock