Hunan Joyfly New Material Co. Ltd, founded in 2006 in Ningxiang economic development zone of Changsha city, is an environment-friendly high-tech enterprise. The main products of our company are manganese monoxide, ferrous oxalate, chromium trioxide and Lithium iron phosphate. In April, 2009, under the strong support of Hunan Joyfly Technology Co., Ltd., Central South University as a technical background, Changsha Science & Technology Venture capital Co., Ltd,...