legal ground
Article 1 1 of the Social Insurance Law
The basic old-age insurance combines social pooling with individual accounts. The basic old-age insurance fund consists of employers, individual contributions and government subsidies.
Article 22
The state establishes and improves the social endowment insurance system for urban residents. The people's governments of provinces, autonomous regions and municipalities directly under the Central Government may, according to the actual situation, combine the social endowment insurance for urban residents with the new rural social endowment insurance.