... Gypsum Board: 1)COMMON PAPER GYPSUM BOARD 2)FIRE-RESISTANT PAPER GYPSUM BOARD 3)WATER-PROOF Gypsum board production ... Prevention, sound insulation, heat insulation, light weight, high strength, small shrinkage, and with the stability of ... used in ceiling, walls, interior walls, plywood. GGypsum Board (dry wall ) (1)Normal size: 2400x1200mm, 2440x1220mm ... million sqm per year gypsum board production line