... 5. Less abrasion of impeller liner, convenient in maintenance. 6. Suitable for crushing materials of middle hardness and high hardness. 7. Cubic ... Production Line Capacity Actual Units Produced(Previous Year) Mining Machine 500 sets per year 280 sets Export Market Distribution: ... YK, 2YK, 3YK, 4YK, YZS, 2YZS, Mineral Separation Machine: SF, XJK, Floatation machine: 1.6*36-48*74 2012/02/06 --- 2049/12 ...