Jiangsu Jingrui Quartz Industry D&R Institute is located in Lianyungang City - the capital of Chinese Crystal, the east end of new Eurasian continental bridge. It is subordinated to Jiangsu Science and Technology Bureau. Our institute is the only senior science and technology enterprise in China, specializing in the development and research of quartz industry. With 20 years experience in this field, we won good reputation in developing High Purity Superfine Silica powder and in transferring Technical Know-how. Our Spherical Silica powder processed by self researched equipment--High Frequency Plasma Preparation has got the appraisal from National Authority in Aug 12, 2005. The technology catches the international advanced level, to be the lead ***** own run factory has the production capability of 5000 MT/A, and is building the second production line. Our main products include: spherical silica powder , crystal silica powder, fused silica powder, activity silica powder, high purity silica sand, high purity crystal sand five series with above 100 specification. High purity superfine silica powder mainly used in epoxy resin, electronic seal, optical glass, silica rubber, engineering plastic, paint and dope, special ceramics and other industries. Relying on high technology and stable super quality, we sincerely welcome all the valuable customers from the world to join us and develop together.</p>