... 3.Suitable for all kinds of ceiling 4.Elegant appearance, 5.Strong intensity. Grid keel Feature:1) Strong intensity, ... kinds of PVC gypsum ceiling, Mineral fiber ceiling, gypsum ceiling, calcium silicate ceiling;4) Used to make ceiling for office, shop and ... in accordance with customers' request.ApplicationMainly used as suspended ceiling of super class buildings such as guesthouse, restaurant, theater ...