China supply super fire resistant rolling up shutter doors for buildings on China WDMA color:Blue but 40'HQ is usually

but 40'HQ is usually

door popular and export to worldwide market

Stainless steel plate

height:1032px

China supply super fire resistant rolling up shutter doors for buildings on China WDMA color:Blue but 40'HQ is usuallyDetailed Images Product features: 1. The average weight of the whole curtain surface is light, and the corresponding transmission system is much lighter, which makes it possible to complete the fire separation of the large opening. 2. No need for water curtain protection, lower project cost. (cause: A lot of pipe network, water pumps, automatic alarm system and independent Pool, save a lot of fire water) 3. The color of the decorative cloth is