Can holders of employment and unemployment registration certificates enjoy a refund of old-age insurance?

The endowment insurance refund you mentioned should be social security subsidy.

Social security subsidies encourage employers to recruit unemployed people, support unemployed people to find jobs themselves, start their own businesses and find jobs flexibly. Commercial enterprises and service-oriented enterprises can apply to the local labor and social security departments at or above the county level for social insurance subsidies if they recruit people who hold the Re-employment Concession Card and meet the conditions stipulated in the Notice.

Application procedure

1. Apply for employment with street labor and social security institutions, and apply for social insurance subsidies with re-employment concession cards, social insurance payment vouchers and other related materials;

2 street labor and social security agencies to verify the employment situation of flexible employees, issue flexible employment certificates, and apply for social insurance subsidies to the local labor and social security departments at or above the county level;