It depends on what kind you do. Class 35 trademarks are just the kind needed for design services. Tmall must have a trademark, and the type of trademark you need depends on your product. For example, if you want to make clothes, you need 25 kinds of trademarks. As long as the level 25 standard is enough, the level 35 standard is unnecessary.

Entering Tmall flagship store only needs to ensure that your company's business scope and trademark category include the products you sell. Cool Junior has various registration fees and lists. If it is not clear, you can ask.