The crushing and grinding equipment is the important part in mining machinery industry. The commonly used crushing and grinding machinery include jaw crusher, cone crusher ball mill, rotary dryer, cement kiln and so on. Those machinery are not only used in the coal , electricity, chemicals, building materials and other raw materials processing industry plays a huge role, but also provide a highly efficient and reliable technical equipment support for railway, highway, water, electricity, municipal engineering, construction. At the same time they also provide more advanced level of international quality and efficient equipment the coal, metal and nonmetal mine development to meet the economic development needs for energy and raw materials of great significance.It is reported that it is helps a lot to the further develop and improve China"s mining machinery manufacturing standards deeply studying the status quo of international and domestic construction machinery industry, the trend of its development and industry technology, particularly the study of the edge technology of crushing and grinding equipment. As a pillar industry in China"s economic construction and social development, mining machinery industry plays an important role. As construction materials processing equipment, mining machinery and mining equipment provide a steady stream for a large number of industrial products and energy for basic industries such as mining, energy, transportation infrastructure and other industries, which ensure the national economy greatly and healthy and rapidly development. Therefore, mining machinery manufacturing industry has been a national basis to establish an independent industrial system and also been an important symbol to measure a country"s industrial strength.As a mechanical company, we must accelerate the development and innovation of the product, establish a systematic and comprehensive after-sales service network, and accurately grasp the pulse of the market,...