1. Background and significance of domestic milk powder rankings With the development of the economy and the improvement of people\’s living standards, more and more families are beginning to pay attention to the nutrition and health of their children. As an indispensable part of complementary foods for infants and young children, milk powder’s quality and safety issues have attracted much attention. Therefore, among the many domestic milk powders, how to choose high-quality and safe milk powder has become the focus of every parent. 2. Market leader in domestic milk powder rankings 1. Yili Yili is a leading brand in the dairy industry and one of the first domestic companies to enter the infant formula milk powder market. Its products cover ages 0-36 months