Yes, for example, if you want to sell Huawei and Xiaomi mobile phones, you must obtain relevant authorizations from Huawei and Xiaomi before you can sell Huawei and Xiaomi products. If you do not obtain authorization, If you sell their products privately, there is no guarantee that the product is legitimate, and it will also constitute infringement. At the same time, your own store must have a Class 35 trademark. The Class 35 trademark includes the small item of selling on behalf of others. This is a must. You have to have it! Therefore, the subject remembers to meet the above two items before selling related products!