In the display industry where new products flood the market each day, SINJIN Diamond Industrial Corp. has carved a position for itself by specializing in manufacturing diamond tools for obtain a micro-surface finish or flatness in precious and non-ferrous metals and plastics, micron-level pattern processing and machining.

The development of new materials and manufacturing techniques to produce highly accurate components for the electro-optical and similar modern technological industries has led SINJINDIAMOND to market a wide range of tools, including turning, boring, milling, grooving, fly-cutting and nano-technology controlled waviness tools which are now used by major companies throughout the World.