The sand producing line usually consists of material feeding system, sieving system, crushing system, washing system, transportation system, electric control system. The planned output of the machine is generally 50-500t/hr. the machine is widely used in making sand from air-slake rock and mineral tails. The sand is washed two or three times during producing . with the advantages of high automation, high efficiency, low operation cost and big output. The machine will bring high profit. Sometimes , the machine is equipped with magnetic separator to get iron from the material.