Can a person buy two copies of social security?

Legal analysis: you can buy two social security at the same time in different places, but you can't get two pensions in the future.

Legal basis: Article 2 of People's Republic of China (PRC) Social Insurance Law The state establishes social insurance systems such as basic old-age insurance, basic medical insurance, industrial injury insurance, unemployment insurance and maternity insurance. To ensure citizens' right to receive material assistance from the state and society in accordance with the law in cases of old age, illness, work injury, unemployment and maternity.