Peking University Resources (Holdings) Company Limited announced at the AGM held on September 15, 2022 that the company approved Mr. Guo Langhua has been appointed as an executive Director with effect from the conclusion of the AGM. Mr. Guo, aged 56, is the vice-chairman of Xin'aote Investment Group Co. Ltd. since May 2021, where he is primarily responsible for strategic planning.

Mr. Guo was the vice chairman, an executive director and the compliance officer of China Digital Video Holdings Limited ("CDV"), a company whose shares are listed on the GEM of the Stock Exchange (stock code: 8280), from January 2008 to June 2018. Mr. Guo was primarily responsible for the overall management and operation of CDV and its subsidiaries. From 2008 to 2018, Mr. Guo was the vice chairman of China Digital Video (Beijing) Limited, a principal operating subsidiary of CDV.

From January 2015 to June 2021, Mr. Guo served as the president of Xinxin Holding Co., Ltd, where he was primarily responsible for the evaluation, improvement and monitoring of the company's management and operation. Mr. Guo obtained a bachelor's degree in economics from Wuhan University in 1988 and an EMBA degree from China Europe International Business School in 2003.