Ceramic fiber material fire shutter door how many square?
Now there are two kinds of rolling to use ceramic fiber: a called inorganic super fire shutter (commonly known as the double track curtain), the curtain surface is glass fiber cloth + ceramic fiber cloth + ceramic fiber blanket + aluminum foil cloth, one is WFJ (glass fiber cloth + ceramic fiber cloth + glass fiber cloth).
There is no full ceramic fiber material fire shutter;
If the above two kinds of roller blinds, really true to do, the former per square meter at least 500 yuan, and the latter at least 400 yuan per square meter. Otherwise, there must be a problem.
