GRC has thin components, high resistance to stretching, good impact resistance, low alkalinity, small free expansion rate and reliable crack resistance. The inner layer is equipped with a reasonable layout of thermal insulation, sound insulation, and sound-absorbing inorganic foamed profiles or other Thermal insulation material, stable quality, moisture-proof, thermal insulation, non-combustibility, sound insulation, sawn, drillable, nailable, chiselable, flat surface construction is simple, avoids wet work, improves the construction environment, saves land resources, and is light in construction. Reduce the load in the medium, (1 / 6-1 / 8 weight of clay bricks) reduce the foundation and reinforced concrete of beams and concrete, reduce the total cost of the project, and expand the use area. It is the best material to replace clay bricks in non-load-bearing parts of buildings. It has been widely used in recent years. It is a new type of lightweight wall material recommended by the State Building Materials Bureau and the Ministry of Construction. It is based on light-burned magnesium oxide, magnesium chloride, silicon, calcium and other composite cementitious materials as the main body, and is added with industrial polymers such as GX_Ⅴ series magnesite blending agents developed by us, mixed with industrial waste slag to make a high-strength lightweight wall material. The wall panel is made by production line casting, vibration compaction, leveling, curing, and demoulding. It has a high degree of production automation and many specifications and varieties.