The Group's principal activity is the design and volume production of high precision metal machining of Hard Disk Drive computer consumer electronic and electrical and automotive industries' components and related research and development activities. Other activities include design of tooling and volume manufacturing of high precision appearance parts using progressive die stamping for digital cameras MP3 players and other electronic devices design and production of the air chuck assembly for soft clamping tool-holders gauges dies collets and lathe chucks modification of cutting tool geometry regrind or sharpen special cutting tools using CNC tool and cutter grinder and other grinding operation and marketing of diamond abrasive grinding wheels.