Second, since your medicine is not patented, there is no production batch number. This person certainly has no drug business license, business license and GSP certificate. He hasn't legally bought the bill yet. You can report directly to the local food and drug administration. This behavior is punished as selling fake drugs. As long as there is no serious social harm, criminal responsibility will not be involved, and only a part of the fine will be confiscated.
Third, it is illegal for you to make your own medicine. If it is western medicine such as chemical medicine, I suggest you not to continue production. Even the ancestral Chinese medicine formula is not allowed to be sold privately.
If you have any questions, ask me.