- 21
- Feb
90min fire rated door hinge,pvc fire rated door,water tight &fire doors (a60) 1700 x 700 mm
Fire hazards must be guarded against in daily life, and fire doors have also become a choice of many people. Steel fire door is a combination of steel frame and steel door fan. Steel structure can ensure not easy to impact deformation, not easy to be damaged by external forces, can be used for a long time without replacement.
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