Chengjin Liu graduated from the Department of Chemistry, Wuhan University, received a master's degree in 1990. After that, he received a Ph. D. in Materials Physics and chemistry in South China University of Technology in 1993. From 1993 to 1994, he served as technical manager in the national high-tech new energy storage materials engineering development center, and participated in 863 research work about nickel-metal hydride battery industry. From 1994 to 1999, he served as chief engineer and general manager in Wuhan original Chemical Power Co., Ltd. From 1999 to 2007, he served as deputy general manager in Desai Energy Technology Co., Ltd. of Huizhou Desai Group. Since October 2007, he has been chairman in Huizhou Yiwei lithium energy Co., Ltd.

Huizhou Yiwei lithium energy Co., Ltd. was established in 2001, which is Leading enterprises in the field of lithium battery industry in China. The company was listed on the Growth Enterprise Market (GEM) in October 2009 in Shenzhen, which is the first batch of 28 GEM companies (stock code: 300014.SZ).  (Translated by Yucheng Liu from the Translation Group of CCMS)