1. Foreigners who do not have a Beijing household registration can also participate in Beijing social security.
But it requires the company to pay and the individual to pay
2. To receive social security after retirement, you need to pay for more than 15 years and be over 55 years old (female) at the same time, otherwise there will be no money to receive
3 . If the housekeeping company has signed a labor contract with your mother, it should pay social security. If it is a labor contract, it does not need to be paid.
4. There is no refund of social security