... , gravel factories, hydropower station and concrete dam site, post and electric pole factory, casting-70 sand, glass factory’s quartz sand ... the water groove to move like a circle transmitted by electric motor and decelerator, and then mixes, overturns, cleans and discharges ... -1005-155.52500GX280050-1308-707.53100GX3200240-30080-130119800GX3600280-500100-2001514200 energy saving sand washing machine