1. Introduction to Feihe milk powder series Feihe milk powder is a brand focusing on high-end infant milk powder. Its product series includes multi-stage formulas and special formulas to meet the different needs of babies of different ages. Feihe milk powder is made from high-quality milk sources through scientific proportioning and advanced technology to ensure the full absorption and utilization of nutrients. 2. Which series of Feihe milk powder is the best 1. Multi-stage formula series The multi-stage formula series is designed to meet the special needs of babies of different ages. According to the baby\’s growth and development needs, it is divided into multiple stages such as stage 1, stage 2, stage 3, and stage 4. each