... and polishing. We occupied the market because our machine allows highest job efficiency and save labor cost at ... 5,One-body steel or aluminum alloy gearbox, thicker panel than others in the market 6, Covering shell: ... 0-1800RPM240KGS30KGS4PCS12PCS30LS-580C220V50 / 60HZ310HPVARIABLE 0-1800RPM240KGS30KGS4PCS12PCS30L Standard configuration:1, Machine body2, 20kgs extra weight - 1 ea3, 10m electric wire ...