According to Amazon's regulations, the following types of companies cannot register with Amazon: companies that are illegal or suspected of being illegal, companies that violate intellectual property rights or infringe on the rights of others, companies that sell prohibited items or products that do not meet safety standards, companies that do not have a legal business license or have not obtained relevant licenses, companies that violate Amazon's policies, etc.

These companies may be deemed to be non-compliant with the safety and compliance requirements of the Amazon platform and therefore cannot register with Amazon.