What file does SF social security pay?

Generally, the social security paid by express delivery companies to employees is 60% of the lowest grade.

Enterprise's endowment insurance is stipulated, so although SF belongs to a company, the medical insurance of endowment insurance cannot be adjusted by itself, so the grade of medical insurance is also paid according to the first grade of medical insurance, because individuals and enterprises pay together, so everyone's medical insurance has a balance every month.