Company registration and qualifications: Merchants need to have legal industrial and commercial registration and provide company registration certificates or relevant certificates for individual industrial and commercial households. In addition, tax registration certificates and other relevant qualification documents are also required.

Brand and product quality: Merchants need to provide high-quality products and may need to prove the legal source and quality assurance of the products. At the same time, brand building and brand protection are also aspects that Amazon attaches importance to.

Account information and credit record: Merchants need to provide accurate and complete account information and have a good credit record. Amazon may conduct background checks on merchants, including credit records, business qualifications and other aspects.

Operational capabilities and after-sales service: Merchants need to demonstrate their good operational capabilities and professional after-sales service. This includes timely processing of orders, effective inventory management, fast logistics distribution and high-quality customer service.

Compliance requirements: Merchants need to comply with Amazon's sales policies and regulations, including but not limited to price policies, promotion rules, prohibited product categories, etc. At the same time, merchants also need to comply with local laws, regulations and tax requirements.