Made of non-combustible material, hanging from the ceiling of not less than 500 mm fixed block smoke facility or activity. Activities smoke screen because of the role of fire when the mean temperature, smoke or other control devices, automatic sagging smoke screen. Mainly used for high-rise or super high-rise and other large shopping centers, office buildings and warehouses occasions, can effectively block the lateral flow of smoke in the building roof, in order to facilitate the increased effect of smoke in the exhaust sub-region, and on the protection of people's lives and property safety play an active role . Glass block wall of smoke www.rqhongan.com