When the fire door is produced and molded, it will have a good effect of fire prevention and smoke separation, and meet the requirements of fire resistance stability, integrity and heat insulation.

https://ztfiredoor.com/13986.html

overhead metal doors,steel fire rated door,commercial steel security doors and frames,fire rated metal doors 60mins,commercial metal building doors,fire rated front entry doors,overhead metal doors,commercial hollow metal products,commercial steel security doors and frames,fire rated door elevator,commercial metal building doors,used commercial steel doors,overhead metal doors,commercial steel garage doors,commercial metal building doors,commercial steel security doors and frames