... .lower standard plasterboard gypsum boards We have full gypsum board system, such as: standard , fire---proof,water resistant gypsum board ... as:A:channles, including the T-Bar, the partition system and the ceiling systemB:joint tape, joint compound,C:screwsAlso ... our products are mianly use for the ceiling system, partition system and the dry wall system.1. high quality gypsum board2. high strength3. ...