Advanced CNC grinder, advanced CNC tool testing center, Production and sales of aluminum endmills Kunshan OSK precision tool limited company was founded in ... series, HRC65 series of high hardnessKM series, HRC55 series mold with high efficiencyHM\KM, micro path, deep groove seriesAL series, aluminum seriesSM series, stainless steel seriesPC series, plastic seriesGM series, series of ...