Overview of Yili QQ Star Children\’s Growth Formula Milk Powder Yili QQ Star Children\’s Growth Formula is a milk powder launched by Yili Company for children aged 2 years and above. It contains a variety of nutrients and is suitable for all types of children. Yili QQ Star milk powder product line covers multiple growth stages, from 2-year-old children to teenagers. Their nutritional formulas are based on adults of different ages.