The seller's responsibility for product quality is as follows:
 1. Establish and carefully implement the incoming inspection and acceptance system.
 2. Take measures to maintain the quality of products sold.
 3. It is not allowed to sell products that have been officially eliminated and stopped selling by the state, or products that have become invalid or deteriorated.
 4. The marks of the products sold by the sellers shall comply with the provisions of the Product Quality Law on the marks on the products or their packages.
 5. A seller may not forge the place of origin, or forge or falsely use another person's factory name or address.
 6. A seller may not forge or falsely use quality marks such as certification marks.
 7. When selling products, sellers shall not adulterate or adulterate them; It is not allowed to pass a fake off as a genuine, or pass a defective off as a good one; It is not allowed to pass unqualified products off as qualified products.
 [Legal Basis]
 In Article 23 of the Law on the Protection of Consumers' Rights and Interests, business operators shall guarantee the quality of the goods or services they provide under the condition of normal use of goods or receipt of services;
 Performance, purpose and validity period; However, the consumer is aware of the defect before purchasing the goods or receiving the service, and the existence of the defect does not violate the mandatory provisions of the law.