Chongqing Mas Sci.&Tech. Co., Ltd. (SZSE:300275) made a proposal to acquire 10% stake in Huayang Communication Technology Co., Ltd. from Xuzhou China University of Mining and Technology Asset Management Co., Ltd. for CNY 16.4 million on August 5, 2021. As part of the transaction, 5.1 million shares of Huayang Communication was transferred. The transaction was approved by the Board of Directors of Chongqing Mas.