Beijing Zhong Ke San Huan High-Tech Co., Ltd. engages in the research, development, manufacture and sales of magnetic materials and devices. Its rare-earth permanent magnet Nd-Fe-B products are used in various files such as automobile, household appliance, energy, computer, communication and medical care. Other products of the company include new style magnetic materials and electrically operated bicycle. The company was founded on July 23, 1999 and is headquartered in Beijing, China.