Хятад Боловсролын барилгын тааз галд тэсвэртэй 2×4 …
1. Mineral fiber Ceiling is made of raw material mineral fiber which contains recuperated slag. 2. The recuperated materials do not contain any asbestos, formaldehyde and other venomous and noxious substance. 3. Main functions are sound absorption, noise reduction, fire resistance. 4. The surfac...