Is social security universal in Yiwu and Jinhua?

Go online to register with Jinhua Social Security Bureau and check online.

Yiwu is only a county-level city in Jinhua, which is smaller than the city level in Jinhua. Generally speaking, Yiwu can't pull the list of Jinhua, but Jinhua can pull the list of all social security bureaus in Jinhua.

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