Huang Yuanyuan signed Share Transfer Agreement to acquire 45% stake in BizConf Chaoshi Cloud Computing Co., Ltd. from BizConf Telecom Co.,Ltd. (SZSE:300578) for CNY 46.35 million on August 27, 2021. transaction is approved by the Board of BizConf Telecom Co.,Ltd. Huang Yuanyuan cancelled the acquisition of 45% stake in BizConf Chaoshi Cloud Computing Co., Ltd. from BizConf Telecom Co.,Ltd. (SZSE:300578) on November 11, 2021.