- 21
- Aug
90 minute fire rated doors for hotel,fire rated sliding door industrial,fire rated steel doors single swing
The steel fire door has good heat insulation and smoking effects, reducing the entry and diffusion of tobacco poisons, and avoiding the rapid death of trapped people due to the inhalation of toxic smoke. The appearance of the latest electrostatic spraying treatment of steel fire doors is flameproof, anti-theft, beautiful and durable.
https://ztfiredoor.com/23612.html
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