​From January 1^st 2018, foreign workers in Vietnam must participate in social insurance, please ask:

1. What is the maximum amount of insurance?
2. If foreign workers have purchased social insurance abroad, do they need to buy Social Insurance in Vietnam?
3. If we need to buy social insurance, how do we calculate? how do we receive social insurance benefits? And how much benefit?
4. Do foreign workers participate in social insurance split into different levels?
5. How to calculate retirement pension of foreign worker?
6. How to calculate and pay social insurance once? After the employee leaves work, will the benefit be transferred to personal's or company's accounts? How to receive this benefit? Can they receive multiple times if they move working place?