Marble is mainly composed of calcite, limestone, serpentine and dolomite, and its main component is calcium carbonate, accounting for more than 50%. Others include magnesium carbonate, calcium oxide, manganese oxide, and silica. Marble has high compressive strength and good physical and chemical properties, and is easy to process. With the development of economy, the scope of application continues to expand, and the amount of use is getting larger and larger. Trade has also made decorative plates enter the building decoration industry in large quantities, not only for luxurious public buildings, but also for home decoration. It is also widely used to make exquisite utensils, such as furniture, lamps, smoking sets and artistic carvings. Some can also be used as alkali-resistant materials. The crushed stone and corner residue produced during mining and processing are also commonly used in the production of artificial stone, terrazzo, stone rice, and stone powder, and can be used as a filler in coatings, plastics, and rubber industries.