On February 14, Ningxia Building Materials announced that due to work transfer, Yin Zibo applied for resignation as director, chairman (legal representative) and chairman and member of strategy committee of the board of directors. Yin Zibo will no longer hold any position in the company after his resignation.

The Company held the first interim meeting of the eighth session of the Board of Directors on February 14, 2022 and examined and approved the "Proposal on the Resignation of the Chairman of the Company and Election of a New Chairman", agreeing to elect Mr. Wang Yulin as the new Chairman of the Company for the term of office until the expiration of the current term of the Board of Directors.

Wang Yulin was born in November 1969, Han nationality, Chinese nationality, master's degree, senior engineer, former director of the sintering sub-factory of Ningxia Saima Cement (Group) Co., Ltd., director of the sintering sub-factory and dry process sub-factory of Ningxia Saima Industrial Co., Ltd., assistant to general manager and deputy general manager of Ningxia Saima Industrial Co., Ltd., director and general manager of Ningxia Qingtongxia Cement Co., Ltd., vice president of Ningxia Building Materials Group Co., Ltd., and director, president and deputy secretary of the Party Committee of Ningxia Building Materials Group Co., Ltd.