How to choose a high-quality Beingmate milk powder supplier. Beingmate is a well-known domestic milk powder brand with a good reputation and wide market influence. However, how to choose a high-quality Beingmate milk powder supplier is something every consumer needs to face. The problem. When choosing a supplier, we need to pay attention to the following four aspects. 1. Check the supplier’s qualification certificate. First, check whether the supplier has a legal business license and relevant quality inspection and quarantine qualification certificates, such as ISO900