An English composition about Dengfeng, no more than 100 words. be badly in need of

There are many kinds of light partition materials, such as gypsum board partition, calcium silicate board partition, wood partition, etc., which are mainly used for space decoration. Although these light wall materials are different in price, sound insulation performance, wall bearing capacity, hanging force, fire prevention and waterproof performance, they are characterized by light weight compared with clay solid bricks, and the weight per square meter is generally 5-9 times lighter than clay solid brick walls. Even if the wall is built on the floor, it is completely within the design bearing load of the floor, and it has heat insulation, heat preservation, fire prevention, aging resistance and impact resistance.