Pebble is a product of mining yellow sand, a pure natural stone. The domestic pebbles are rich in resources, widely distributed, and have a wide variety of materials. After different crushing and sand making machine, they are processed into stone materials of different grain sizes required by various industries. In order to meet the market demand, SBM Heavy Industries has introduced equipment such as jaw crusher, impact crusher, cone crusher and VSI sand making machine. The R&D and production of SBM heavy-duty cobblestone crusher and sand making machine have absorbed the advanced production technology of sand and gravel industry at home and abroad. Combined with the processing requirements of various materials in the market, the equipment has simple structure and small volume, but the crushing ratio is larger and important. The energy consumption is small, the product granularity is uniform, not only saves the waste of the production process, but also brings the high quality sand and gravel materials in the actual industrial demand to the customers, in various coarse, medium or fine crushed limestone, dolomite, Quartz, gypsum, coal, calcium carbide and chemical raw materials, such as brittle materials below medium hardness, have a wide range of applications, not only in the domestic sand and gravel market has a good brand effect and reputation, but also in the international market by the majority of industry users Recognized, favored by customers, has become a very promising cobblestone crushing processing equipment on the market.