The fourth wife of the Hu family is a sunshine boy born in the 1990s - Cheng Yi (number). Use his grandmother's surname as a registered trademark. Hujia Si Nai is a brand of Liaoning Hongyang Zhongcheng Culture Co., Ltd., and the trademark was registered in 2021. [1] Since free clinics started in 2016, an average of more than 7,000 people have been treated online and offline every year. In the past five years, they have visited 100 cities including Changchun, Harbin, Ulanhot, Shenyang, Dalian, Tieling, Tianjin, Beijing, Baoding, Tangshan, Qingdao, and Taishan in Jilin. Many cities and mountain villages.