Limestone is abundant on the planet so almost all demands in various industries can be met. Through simple beneficiation, the limestone can get purified. As for processing technologies, limestone usually needs to be crushed and classified to produce quick lime, slaked lime, sedimentary calcium carbonate, ultrafine calcium carbonate and carbon dioxide. As for the crushing technology, limestone is usually crushed under the dry environment and the finished product would be supplied to metallurgy and road industry.

Granite is uniform in structure, rigid in texture and beautiful in color. It is a kind of high-quality durable aggregate and considered the king of stones. In building industry, granite can be everywhere from roof to floor. Being crushed, it can be used to produce cement and filling material. It is difficult for granite to weathering and its appearance and color can keep for over a century. Apart from being used as decorative building material and floor of hall, it is the first choice of open-air sculptures. 

At the first stage, jaw crusher is used for coarse crushing. Then, cone crusher works for middle and fine crushing. Sometimes, according to different demands, impact crusher (sand-making machine) would play a role in optimizing shape of material.