Sand Washer are mainly used in building site, gravel plant, concrete dam building site of hydropower station, etc., and with features of high degree cleaning-up, reasonable structure, large capacity, low power consumption, small loss of the sands during the washing process, especially for that the drive parts of the Sand Washing Machine are separated from water and sands. So that it has lower failure rate than the usual Sand Washing Machine. http://www.crushermachine.net/c...machine-sand-washer.html