Should I be quarantined from Yiwu, Zhejiang to Ruichang?

Don't. Yiwu is a county-level city under the jurisdiction of Zhejiang Province, managed by Jinhua City, which was called "Wu Shang" in ancient times. Ruichang, a county-level city under the jurisdiction of Jiangxi Province, is managed by Jiujiang City. Located in the northern edge of Jiangxi Province, as of August, 2022 1 1, the epidemic prevention and control policy in Yiwu, Zhejiang Province shows that Yiwu, Zhejiang Province is low-risk, so it is not necessary to isolate when planning to go to Ruichang City, just prepare a negative report of nucleic acid test.