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The production of sand and gravel comes from the processing of raw ore (limestone, river pebbles, granite, basalt, etc.) in gravel and mechanical sand, and it is generally necessary to use crusher and sand making equipment.
The crusher usually includes a jaw crusher (for coarse crushing), a cone crusher (for fine crushing in hard rock) and a vertical shaft impact crusher (for fine crushing of fragile materials) to meet stone production. In general. The sand making machine, that is the vertical shaft impact crusher, can crush the finely crushed stone to make it meet the sand standard for construction.
If you want to know more information about crushing and sand making equipment, you can supply raw materials, capacity, input size, output size and other information to contact online customer service, our technical staff will answer you to make the selection and configuration and the project budget.