The following explanation is made based on the "Classification Table of Similar Goods and Services (Based on the 10th Edition of the Nice Classification) 2016 Text".

1. Trademarks are classified into different categories according to different products and services. The International Nice Classification table distinguishes them. The total is divided into 45 categories, such as clothing, 25 categories, and cosmetics. , Category III, etc.

2. Trademarks not only have major categories, but also groups and sub-categories. There are many groups within a large category, and then there are many subcategories within the group. For example, there are 25 categories of clothing. The groups include shoes, clothes, etc., and each group is divided into subcategories. For example, the clothing group includes long sleeves, short sleeves, shirts, etc.

2. The 30005 import and export agent you mentioned should be written incorrectly. It should be the import and export agent 350005. This is a subcategory within Category 35, which means that if you choose this subcategory, your trademark can be used as an import and export agent.