20 14 how to refund Chengdu social security?

Hello, the surrender of basic social insurance for urban workers must meet one of the following conditions: (1) The insured person dies; (2) When the insured reaches the statutory retirement age, the payment period is less than 15 years; (3) The insured goes abroad to settle down. Do not meet the conditions for surrender, the social insurance relationship remains in the original social security agency, and after re-insurance in Chengdu, the payment period is calculated cumulatively.