Can Shanghai social security be transferred to Shenzhen? Will time accumulate?

I can return the social security in Shenzhen-OK! It's best to go through the formalities of stopping insurance.

Can the social security paid in Chongqing be transferred back to the accumulated years and amount in Shenzhen? -Non-Shenzhen household registration should be based on the specific situation: those who have paid their fees in Shenzhen for 10 years or have been employed in Shenzhen before retirement and continue to pay fees can be transferred to Shenzhen for merger; Accumulated payment years, the individual payment part is transferred in full, and the unit payment part is transferred according to 12% of the payment salary.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.