Group 1 - The establishment of Beijing Ningyue Medical Aesthetic Clinic Co., Ltd. has been officially registered, with a registered capital of 1 million RMB and a broad range of services including medical and lifestyle beauty services [1] - The company is primarily owned by Beijing Dingdong Lemon Technology Co., Ltd., which holds 90% of the shares, while Jin Peng holds the remaining 10%. Notably, Gan Wei owns 13.965% of Beijing Dingdong Lemon Technology Co., Ltd. [1] - Wang Sicong and Qin Lan hold indirect stakes in Beijing Dingdong Lemon Technology Co., Ltd. through Beijing Ningyue Technology Center (Limited Partnership) [1] Group 2 - This is not Wang Sicong's first venture into the medical beauty sector, as he was a co-founder of the Ningyue brand during its launch event in December 2016 [4] - Prior reports indicated that Ningyue Clinic's membership cards had reached 70% coverage among celebrities and influencers, which could enhance brand reputation and attract both fans and general consumers [4] - Currently, there is only one operational store for Ningyue Medical Aesthetics in Beijing, with an average consumer spending of 2,409 RMB. Another store is under renovation, with no confirmed opening date yet [4]