Yes, for example, if you want to sell Huawei and Xiaomi's mobile phones, then you must obtain the relevant authorization from Huawei and Xiaomi to sell Huawei and Xiaomi's products. If you sell their products privately, one thing is that you can't guarantee whether the products are formal or not, and it will also constitute infringement. At the same time, your store must have 35 kinds of trademarks, and 35 kinds of trademarks have small items for sale. This is a must! Therefore, the subject should remember to meet the above two items before selling related products!