The specific steps are as follows:
1. Open the official website of Meisujiaer milk powder and find the page for tracing the authenticity of the product.
2. Find the production batch number of the tank bottom and enter it in the query box.
3. Click Query. If it is genuine, you can look at the information about that can of milk powder.
Royal Meisujiaer is a product of Royal Friesland campina, with a history of 140 years. 1992, Meisujiaer entered the China market.