Ceiling Board can fire-proof ,damp-proof ,thermal insulation,quake-proof,sound insulation,sound-absorbing.It has long durability DongFangShengShi Ceiling Board is a light board material with no toxic made through high temperature and high pressure maintenance, as well as special processings . Its exquisite appearance make it popular in the same industry. Standard dimensions: 595mm×595mm×(4-6) ...