No. By querying the official websites of Rongshi Shengchuang (Beijing) Technology Development Co., Ltd. and Songshi Group, we learned that Rongshi Shengchuang (Beijing) Technology Development Co., Ltd. is not a subsidiary of Songshi Group, but Rongshi Shengchuang (Beijing) Technology Development Co., Ltd., established in 2022 and located in Beijing, is an enterprise mainly engaged in technology promotion and application services.