It's best to check the production license first, not the inspection certificate they provide, which is not credible.
It is best to check the production license before purchase and use. If it is food, then promoting the health care function or the role of drugs is false propaganda.
Without a license, there would be no product, let alone food.
If there is a website to check the license, just enter the license number, or you can choose to check the name of the production unit. Without a license, there is no product.