According to official website of the National Copyright Administration of China, Yin Zhong Copyright Service is a legally registered copyright service organization, which provides copyright protection, consultation and rights protection services. This institution has legal business qualification and authorization on the registered list of the National Copyright Administration. Yin Zhong Copyright Service published the related business scope, service content and charging standard on its official website, and provided information such as contact information and customer cases. In addition, Yin Zhong Copyright Service has cooperated with many well-known enterprises and institutions to provide copyright protection and rights protection services, which proves its reputation and strength in the industry. Therefore, it can be confirmed that the copyright service in Yin Zhong is normal.