The first thing you need to do is to get your hands on the best possible solution to your problem.
Safe, you can rest assured. 1, the traceability system, you can counter-trace, to determine whether it is an imported milk powder. 2, you can phone query I think what method is not important, the important thing is to choose a more reliable purchase channels, overall this milk powder safety coefficient is very high, I bought a lot of back. There are not understand at any time to follow up