Chongqing Qifeng Advertising Media Co., Ltd. won a bid to acquire 51% stake in Chongqing Niandu Advertising Media Co., Ltd. from Guangdong Advertising Group Co., Ltd. (SZSE:002400) for CNY 16.9 million on December 31, 2019. Chongqing Qifeng Advertising Media Co., Ltd. cancelled the acquisition of 51% stake in Chongqing Niandu Advertising Media Co., Ltd. from Guangdong Advertising Group Co., Ltd. (SZSE:002400) on December 31, 2020.