Established in 1980, Guangdong Guanghua Sci-Tech Co., Ltd. (GHTECH) (SZSE 002741) has started to research on post-life cycle application technology of power battery since 2010, and solved the key problem of cascade utilization and resource recovery of power battery. In 2018, Zhuhai Zhongli New Energy Sci-Tech Co., Ltd. was established to carry out post-life management and application business of power batteries. At present, the post-life cycle ecology of closed power batteries for return cascade utilization, cascade utilization, physical disassembly, and resource regeneration has been formed. The main products are return cascade utilization service of Zhongli energizing power batteries, small, medium and large mobile (stationary) energy storage systems and others.