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Industry of sandstone crusher including the processes of crushing, grinding and processing of gravel and material is an old and emerging processing industry. With the rapid development of national infrastructure investment and urban highway, railway and housing construction process, the demand of gravel aggregate and artificial sand are in a period of rapid growth. For the omnifarious reasons such as national history development and home resources, these aggregate processing industries are mostly located in the local edge of the mountain or mining areas in which the enterprises engaging in mining, crushing, processing and transportation equipment are relatively backward, inefficient, scattered and small-scale, and not yet formed a large-scale production, far from being able to meet the quantity and quality of construction projects.
The sand of the raw materials can be rocks, pebbles, river stone, etc., sandstone crushing production lines mainly rely on the artificial production of sand and gravel. Raw materials with a certain of hardness like granite, limestone and basalt, after being crushed and screened, can totally meet the demanding standards of the finished gravel. Along with the increased demand for sand and gravel equipment, performance of sandstone crusher continues to improve, and old equipment has been gradually replaced with rich natural resources of home mines, and judging from the degree of China's development, there are large room for sandstone crusher to upgrade and to improve.
In recent years, rural infrastructure, high-speed railway, highway, airport, other major infrastructure construction and post-disaster reconstruction of earthquake stricken area have been classified as a focus of state investment. Driven by the 4 trillion investment at home, large-scale infrastructure construction as well as high-speed rail construction are in full swing, and strongly push forward the development of stone crusher industry.
To the large-scale construction projects, such as the construction of high-speed rail which is in full bloom, the demand for high-quality crushing and screening machinery is very strong, however, as we know that large crusher is commonly and frequently used in the large-scale infrastructure construction projects. High-speed railway construction and other construction projects can not be separated from the sand and gravel aggregate, and stone crusher for the production of sand and gravel aggregate mainly including : jaw crusher, impact crusher, cone crusher, impact crusher (sand making machine).
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