The soundproof and fireproof door is made of building supplies made of high-quality ordinary panels, and the cavity of the door body is filled with soundproof materials.

https://ztfiredoor.com/22419.html

fire rated interior doors,fire rated door hardware,apartment fire rated door,fire rated solid door,fire rated floor door,fire rated interior doors,hotel fire rated door,fire rated door hardware,fire aluminium panel door,fire rated solid door,fire rated door ,fire rated interior doors,steel fire resistan doors,fire rated door hardware,fire rated door accessories,fire rated solid door