It is necessary to have direct business contact with Sanrio or Cheng Yanfeng. The former is the form of authorization, and the latter is the form of joining (joining must give you something, you can sell it, but you can't do it yourself).
The former requires you to pay an authorization fee of 300,000 yuan (this price was 2 years ago), but before they agree to authorize, they will ask someone to investigate whether your store address is good or not, which is conducive to the development of animation image. They have many cartoon characters, each of which is authorized once.
You can start production if you are authorized, and you can also accept the products they provide. Generally, when everything in the store needs six figures, they will feel at ease or feel that your store can be opened.