1.own manufacturing plant 2.100% new material,non-toxic,green product 3.Recycled,Light Weight,Antiflaming 4 ... Board 1) Recycled(at least about 25times)2) Light weight,waterproof, Antiflaming and self-extinguishing,etc 3) Sound insulation, heat insulation ... distinguishing lower than 5 seconds away from fire High Quality WPC Hollow Board Plastic Building Material Soundproof WPC Foam Board with Wood Grain ...