On Amazon, the quality of goods is usually judged according to the following factors:

1. Product quality: The quality of goods mainly depends on their quality and performance. Goods on Amazon usually have buyer’s evaluation and rating of goods. You can learn about other buyers’ feedback and experience of goods by looking at product evaluation and rating. Higher ratings and positive reviews usually indicate that the quality of goods is better.

2. Seller’s reputation and service: The reputation of sellers and the services provided are also important factors in judging the quality of goods. Sellers on Amazon can be rated and reviewed. You can view the seller’s rating and buyer’s feedback to understand their reliability and service quality. Reputable sellers usually provide good after-sales services and support to ensure smooth transactions and a satisfactory shopping experience.

3. Product Description and Pictures: The description and pictures of the product can also help you judge the quality of the product. Products on Amazon usually provide detailed descriptions and multiple pictures. You can carefully read the description and view the pictures to understand the characteristics, specifications and appearance of the product. Accurate, clear descriptions and high-quality pictures help you make better judgments.

4. Brand and Certification: Some buyers may be more inclined to buy goods from well-known brands, because these brands usually have higher reputation and quality assurance. In addition, certain goods may have specific certification marks or meet specific standards, such as ISO certification, safety certification, etc. These certifications can provide additional reference for the quality of goods.

It should be noted that the quality of goods is subjective, because the needs and expectations of each buyer may be different. When shopping, it is recommended that you consider the above factors comprehensively and make the most suitable choice according to your personal needs and preferences. At the same time, reading the evaluations and comments of other buyers can also provide you with more reference and decision-making basis.