Our factory is one of the professional production of precision machinery processing precious stones and high quality of man-made  stones manufacturers. since 2000, we have the highly self-R&D capacity because we always innovating, the products range from the sales of artificial gems polished - Robot (polished gem polishing machine) to the development of today's automatic - Numerical Control Machine automatic grinding stones and related types of processing more than 20 kinds of machinery. We insist the principle of good faith, the best management & quali......