Fire shutter door has smoke and temperature sense of the device equipment, in the event of fire can be timely resolution and detection, alarm and take relevant fire measures, so that it can be timely detection of fire, and timely remind people to control and defense.

https://ztfiredoor.com/10350.html

roll up shutter door guarantee,electric aluminium rolling up shutter door,electric industrial roll up shutter doors,cloth for fireproof rolling shutter door,roll up shutter door guarantee,inorganic cloth fire rolling shutter door,cold storage rolling shutter door,electric industrial roll up shutter doors,industrial aluminum rolling shutter patio doors,roll up shutter door guarantee,snake shaped rolling shutter door,electric industrial roll up shutter doors,aluminum crystal rolling shutter door,inorganic cloth fire rolling shutter door,rolling door galvanised steel shutter,inorganic cloth fire rolling shutter door