第二步 品牌信息填写：前面两个选择参照下图，接下来要选 品牌产品 所在的类目，注意不同类目有不同的key attributes，即关键属性，例如户外可以选MPN作为关键属性，这样以后上传产品，只要填Brand Name / MPN就可以不用填UPC了，关键属性的值你自己随便定，只要不重复就好，例如我的包的MPN可以定义为BAGS01，BAGS02等等。
== 亚马逊品牌备案失败的常见原因 ==
The website provided cannot be accepted as a valid website. In order to get Brand registered with Amazon, you will have to provide us a fully functional and independent website.
We either are unable to verify your products of this brand or are unable to determine if you are the brand owner or manufacturer based on the URL you provided. Please provide a valid company URL and more information about your business so we can verify that you are the manufacturer or brand owner.
We either are unable to verify your website or are unable to determine if you are the brand owner or manufacturer based on the URL information you provided. It should be through phone number or email address found connection between the brand website and the seller account.
When we process brand registry application. The website you provide must match the category you choose. Since you have applied multi category for brand xxx, the website you provide must be display these category products you required.