Is Jia Huan's technology backward?

Background Sound Under normal circumstances, Jia Huan Technology will conduct a certain degree of background investigation before employment, such as verifying the authenticity and accuracy of information provided by job seekers such as ID cards, academic certificates and work experience. This is to ensure that the employees recruited by the company meet the job requirements, and also to protect the interests of both the company and employees. However, the specific ring-back tone method and scope may vary from company to company and position.