Nanjing Hanrui Cobalt Co., Ltd. engages in the cobalt and copper ore extraction and smelting. It focuses on research and development, production, and sale of cobalt powder and other cobalt-based powder. Its metal mines include electrolytic cobalt, electrolytic copper, and crude cobalt hydroxide. Its products are applied to aviation, aerospace, electronic appliance, machinery manufacturing, automobile, chemical industry, agriculture, and pottery. It can be used to charge battery, industrial blast agent, rocket fuel and drugs, and other chemical products. The company was founded on May 12, 1997 and is headquartered in Nanjing, China.