... ,computer-aided control, high automation low fault rate Hydraulic iron powders block making machinesDescriptionHydraulic metal filings high.density ... can save cost totaling 120USD.The machines adopt advanced hydraulic driving technology and high abrasion.resistant oil seals, ... control,high automation,low fault rate,and easy maintenance.Manual and rapidModel:YK-200Block size:Dia80-100mmBlock density: ...