Does it require centralized quarantine when traveling from Nayong to Sinan?

No need. Nayong County is located in the northwest of Guizhou Province and south of Bijie City. Sinan County is a county under the jurisdiction of Tongren City, Guizhou Province and is located in the northeast of Guizhou Province. As of November 4, 2022, according to the query of the epidemic situation in Nayong County and Sinan County The Protection Center shows that these two areas are low-risk areas in my country, so centralized isolation is not required from Nayong to Sinan, and only a negative nucleic acid test report within 48 hours is required.