Fiberglass sound-absorbing ceilings
Non-combustible performance: A-level, the national authority of the Cl test, measured (GB9624-1997)
Fiberglass sound-absorbing ceiling A-class non-combustible, generally fiberglass material, or a better sound-absorbing material, Jiangsu Sanxian glass fiber sound-absorbing ceiling of the performance can be combined with the indicators, hoping to adopt
