1.PCB drill 2.Minebea bearing import Japan 3.Brushless with 50000RPM 4.Touch panel 5.Speed cruise capability JSDANingbo JSDA Electronic Industry Co., Ltd commits produce series of high precision micro electric grinder machines. Our products are broadly used in Nail art,Jewelry engraving,Dental grinding,Mould polishing,PCB drilling,Wood carving,Craftwork fabrication and so on.1.With a history of ...