... intensionce. 3)good service:translation,lodging,etc.Common gypsum boardIt uses gypsum as the main material, adding fiber, bonding ... other methods of construction. It is widely used in ceiling, walls, interior walls, plywood .Product Description(1)Normal ... Ceiling and Accessories System for Wall Partition, about the detail you could check our other product: Light Steel Keel. paperbacked gypsum board ...