1. Which milk powder has no problems? 1.1 Domestic well-known brand milk powder 1.2 Imported milk powder 1.3 Organic milk powder 1.4 Special formula milk powder 1.5 Non-GMO milk powder 1.6 Additive-free milk powder 2. Domestic well-known brand milk powder Domestic well-known brand milk powder refers to brands with high visibility and credibility in the market, such as Yili , Mengniu, Sanyuan