You can't buy books on Alibaba.

This requires obtaining the publisher's authorized sales license, and asking the publisher whether there is a market price limit. If both of the above are available, it will not constitute infringement. They usually come to you because of these two points. If you have a brand, it's best to ask the merchant to give you a letter of authorization.

If it is an unauthorized daily necessities, it is okay. There is no conflict between Alibaba and Taobao. As long as it is a regular product, it can be sold on Taobao, and it has nothing to do with the products sold on Alibaba. Although Alibaba is engaged in wholesale and Taobao is retail, it now requires obtaining the publisher's authorized sales license, and asking the publisher whether there is a market price limit. If both of the above are available, it will not constitute infringement. They usually come to you because of these two points. If you have a brand, it's best to ask the merchant to give you a letter of authorization.