Shanghai Gaoyue Ceramics Co. Ltd. is a joint venture with Shanghai Institute of Ceramics, Chinese Academy of Sciences., located in Shanghai Fengxian District, 55 Km from the downtown, and newly established in the Sept of 2006.. We have about 50 employees, and have established the line of  producing silicon nitride powder, and the raw materials mixing system, spray dryer, automatic dry pressing, cold isostatic pressing, gas pressure sintering, hot iso-static pressure sintering, rough and fine grinding, polishing systems, to fabricate high precision bearing balls.  The company is the only one in China to produce silicon nitride balls and also the powders, so we are able to control the quality rigorously. We have achieved ISO9001 certificate. We have provided our products to the high end customers in China and to overseas.