Wooden fire doors should meet the fire grade, production requirements, installation requirements and flame retardant requirements in the fire code.

https://ztfiredoor.com/24237.html

fire rated timber door,fire rated wooden doors supplier,laminate wood door fire rated,fire rated boards for wooden fire rated doors,fire rated classroom wood door,fire rated timber door,fire doors rated wood,fire rated wooden doors supplier,hotel doors solid wood composite fire doors,fire rated boards for wooden fire rated doors,fire rated door wood,fire rated timber door,hotel fire rated wood door,fire rated wooden doors supplier,fire rate solid wood door,fire rated boards for wooden fire rated doors