Nanjing Hanrui Cobalt Co., Ltd. was established in 1997, and it is a comprehensive enterprise that specializes in exploitation and refining of cobalt ore, as well as R & D�production and sales of cobalt powder, cobalt tetroxide and other cobalt salts with capability of producing approximately 2500MT of pure cobalt metal content in 2011, it is a well recognized world player in Co Powder and Co Chemicals business.The Headquarter is located Jiangning Development Zone in Nanjing, Jiangsu Province, and it holds two companies.The one is Metal Mines SPRL in Katanga , D.R. Congo, owns three copper/cobalt mines with total area roughly 120 thousand sqaure meter and employees over 300, it comes into real exploration and trial mining stage, which means it can continuously provide cobalt concentrate and crude cobalt carbonate to our production in China and other refining producers. The other one is Jiangsu Runjie New Materials Co., Ltd in Nanjing Chemical Industry Zone, China, and occupied 55 thousand square meter area, The company maily produces cobalt powder, cobalt tetroxide/sulphate and other cobalt salts with designed capacities 2000-2500MT cobalt metals yield since in June 2011.Nanjing Hanrui finished the entire industry chain constructions from mining, smelting, refining to the deep processing of fine cobalt powder.Cobalt Powder is a light gray extra fine powder which is used for cemented carbides, diamond tools, magnetic alloys, aerospace, ceramics, and secondary batteries. Hanrui`s Co Powder has been registered as famous brand and ranking among the first three major fine cobalt powder manufacturing companies in the world. Hanrui already successfully co-operated with ILjin diamond and Shinseng industrial , Taegutech in Korean market in cobalt powder for cemented carbides and cutting tools fields for many years.The main products as follows:cobalt powder (Co:99.8% including FCoH series, EFS series, DTS series , NGS series)cobalt tetroxide (Co:73%)cobalt sulfate (Co:21%) cobalt chloride (Co:24%) cobalt oxalate(Co:31%) More information, pls log on company`s website Best RegardsPauline ZhaoNanjing Hanrui Cobalt Co., Ltd Tel :+86-25-52768328 ext 8045 Fax: +86-25-52108165Cell:0086-13675793570Add: No.115 Jinghuai Road Jiangning Zone Nanjing P.C.211100 China