1. If it is commissioned production and the other factory knows that its raw materials are produced with its own trademarks, just paste them directly.

2. If you buy other people's things and attach your own brand without permission, it will infringe on the exclusive right of others to register a trademark, and you need the permission of the purchaser to attach your own trademark. Trademark is a sign used to identify and distinguish the source of goods or services. Any sign that can distinguish the goods of natural persons, legal persons or other organizations from the goods of others, including words, graphics, letters, numbers, three-dimensional signs, color combinations and sounds, and the combination of the above elements, can apply for registration as a trademark.