... site, post and electricpole factory, casting-70 sand, glass factory's quartz sand and refillingpressure sand. Sand ... waterconservancyand hydropower, cement mixture station and so on.Sand Washing Machine features:1.Novel pressurize structure, debugging overfall notch plate ... used to sandstone factory, construction site, hydroelectric station dam, glass manufacturing, oil well developing, etc. (mm)(r/m ...