1 Fire integrity, heat insulation; 2 Stop the fire and flame form spreading; 3 Fire resistant time more than 60 minutes; Fire integrity and heat insulating. (I lever) Within the fixed time this product can stop the fire and flame spreading.With the certification of GA97-1995 ,the fire resistant time is more than 60 mins.It is made of fire resistant glass, stainless steel and other fittings of ...
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