Jiujiang Defu Technology Co., Ltd. engages in the research and development, production and sales of high-performance electrolytic copper foil. Its products can be divided into electronic circuit copper foil and lithium battery copper foil, they are used in the manufacture of copper clad laminates, printed circuit boards and various lithium batteries. The company was founded on November 18, 2002 and is headquartered in Jiujiang, China.