What is Biostime Star? Biostime Paixing refers to a series of infant formula milk powder products launched by Biostime Company. This series of products is named after \”Pai Xing\” and includes 5 series of products, namely \”Angel Pai Star\”, \”Shengbao Pai Star\”, \”Wisdom Pai Star\”, \”Meiyue Pai Star\” and \”Health Pai Star\” . Biostime Company has been established since 2004