Second, it depends on the size of the company. Generally, large companies operate more formally, so it is possible to do background checks, but small companies generally don't.
Third, it depends on the place of work. Generally, it is more likely to investigate in the same city, but less likely to investigate in different places.
The problem of social security is simple. Just say that there is no account opened in Shenzhen, so you don't need to transfer it. Just open an account in Shanghai.
Page (abbreviation of page) The assistant to the general manager has a wide range of work. In some companies, the assistant to the general manager assists the general manager, whose position is only lower than that of the deputy general manager, and is considered as the top management of the company. This kind of post background investigation is more likely. In some companies, this position is just to help the general manager do some chores, which is equivalent to a secretary, counting as a grass-roots or middle-level position. At this time, the possibility of background check is relatively small.