The cobblestone sand making machine is specially used to produce the mechanism sand, that is, the sandstone raw material is... moreThe cobblestone sand making machine is specially used to produce the mechanism sand, that is, the sandstone raw material is crushed to a certain fineness to be qualified, such as the 3mm fine sand commonly used in the market. This new type of sand making machine has undergone many times of practice verification and technical improvement, so it can adjust the fineness of discharge according to the customer's wishes, in line with the development trend of the modern construction industry.