Shanxi Yangmei Daode New Materials Equity Investment Partnership Enterprise (Limited Partnership) agreed to acquire 15% stake in Changxing Dexi Technology Co., Ltd. on May 26, 2021. The board of Shanxi Yangmei Daode New Materials Equity Investment Partnership Enterprise (Limited Partnership) approved the transaction. As of December 31, 2020, Changxing Dexi Technology reported total assets of CNY 80.44 million, net assets of CNY 58.2 million, operating income of CNY 12.34 million and net loss of CNY 9.7 million.