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Guizhou dragon summed up the new material co., LTD., a wholly owned subsidiary of huitong hunan science and technology co., LTD., was founded in 2012, the registered capital of 80 million, scope of business for the manganese series products research, development, production and sales and related technical services. Huitong hunan science and technology co., ltd. is a professional committed to the high purity ultra-fine inorganic functional materials research and development, production, and sales of high-tech enterprises, through the ISO9000 system certification. Products are mainly applied in green energy storage materials, involving manganese and indium two big series. Main products for the manganese oxide, manganese battery based materials such as inorganic salts and represented by high purity bismuth, indium of rare metals and inorganic salt products.