We are a manufacturer and solution provider of ceramic wares,made of Si3N4,ZrO2 and xxxxx our products include ceramic ball,ceramic bearing,ceramic ring for pad printer and other ceramic components.With the strong backup of our technical staff and equipment we also accept OEM.And because there are many advantages as below compared with steel ball,our products are widely used in mechanical industry,oil industry, food industry,chemical industry,etc. 1.lighter than steel2.larger elastic modulus3.Lower friction coefficient,rolls more freely4.lower coefficient of thermal expansion5.superior surface finish6.higher high-temperature hardnessxxxxx rust,and can roll without oil or greasexxxxx resistant than steel Our production strictly complies with the requirement of ISO9001.At the same time to ensure the quality we have a group of our QC people and quality controlling xxxxx products have won a good reputation among our customers from all over the world. If you are interested in our products or you have any products of this kind to produce,I will be glad to make an offer for you when I receive your detailed enquiry. Welcome to our company any time for cooperation studying. Best Regards, Peter Jiang MOBILE:+8613917585470TEL: +8602159502127FAX: +8602159503899 MSN:xxxxxWEBSITE:xxxxx Shanghai Unite Technologoy CO.,LTD. ADD:No.3996 Baoan Road,Volkswagon Industrial Estate,Shanghai 201814,China.