Hello! This situation is generally divided into two types:

The first is called commissioned production. The other party knows that after processing, your trademark will be affixed, so it is natural.

The second type is if you purchase other people’s products and put your own trademark on them without the other party’s permission, this is illegal and constitutes trademark infringement

According to the " The Trademark Law stipulates that any of the following acts shall infringe the exclusive rights of a registered trademark:

1. Using the same registered trademark on the same or similar goods without the permission of the trademark registrant or similar trademarks;

2. Selling goods that infringe the exclusive rights of registered trademarks;

3. Forgery or unauthorized manufacture of other people’s registered trademarks or sales of forged or unauthorized registrations Trademark logo;

4. Changing the registered trademark without the consent of the trademark registrant and putting the goods with the changed trademark back into the market;

5. Registered trademarks given to others Any other damage caused by the exclusive right.

The above answers are for your reference. I hope they can help you. You are welcome to give us a like, thank you!