- 17
- Mar
rolling shutter door, roll up shutter door, pvc rolling shutter door
Fire shutter ay pangunahing ginagamit para sa pangangailangan para sa firewall separation wall, lalo na ang firewall, firewall wall dahil sa produksyon, paggamit at iba pang pangangailangan upang buksan ang isang malaking pambungad at hindi maaaring itakda ang fire door kapag ang fire separation.
https://ztfiredoor.com/10350.html
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