It is very similar to aluminum alloy keel in appearance, and is also a commonly used material on the ceiling, and its role is the same as aluminum alloy keel, also for aesthetic purposes, playing a bracket role. Its role is the same as that of aluminum keel, which is also for aesthetic purposes and plays a supporting role. It is matched with silicon calcium board and mineral wool board.

Perforated calcium silicate board is nowadays widely used as wall and ceiling partition board material, the composition of perforated calcium silicate board is mixed with plant fiber, and it is a new type of construction material made by making pulp, copying, pressing and maintaining. The perforated calcium silicate board produced by high pressure is also known as perforated calcium silicate board.

Perforated gypsum sound-absorbing board is a combination of cylindrical holes through the front and back of gypsum board, backing materials with breathability and sound-absorbing materials that can absorb incident sound energy, etc., pasted on the back of gypsum board.

The ceiling effect is modern and beautiful, with remarkable decorative function and strong design.