Why does Shuangliu Unicom customer service often recruit people?

There is a large demand and many people leave their jobs. The customer service demand of Shuangliu Unicom is very large, and more employees are needed to complete the work. The workload is heavy, the rest time is short, the company's requirements are strict, and there are many resigned employees. Unicom customer service is mainly to solve the problems in the use process for Unicom customers and make suggestions and complaints to Unicom.