We,KINGRAY NEW MATERIALS SCIENCE & TECHNOLOGY CO., LTD, located in China, is a hi-tech public company established by CRIMM (Changsha Research Institute of Mining and Metallurgy), a big hi-tech enterprise directly under central government, Valin group and other four enterprises.

Kingray has register capital of RMB 106.70 million and total assets over RMB 1 billion. It is comprised of several subsidiaries and holding companies, most of which have been awarded ISO 9001 certification. Kingray is a leading manufacturer of industrial diamond powder with the production capacity of over 9 million carats per month. We have been manufacturing and exporting diamond powder for many years. With excellent quality and fully competitive price, 70%our products are exported to overseas markets and they enjoy high reputation among our business partners and customers, and our trade partners are satisfied with our products