We produce different series of electric spindle, motor spindles for milling machine, CNC grinding ,engraving and CNC machine . Our products have ... machine centre. Electric grinding spindles have 4series of AD, ADW, ADL, ADQ. AD seriesare applied in the grinding below a speed of 40min/s of the ... grinding wheel.ADW,ADL,ADQ are separately applied in grinding at a speed of 50min/ ...