How many days does the train from Suixi, Guangdong to Guigang, Guangxi provide nucleic acid reports?

As of September 24, 2022, the train from Suixi, Guangdong to Guigang, Guangxi provided a 7-day nucleic acid report. Negative proof of nucleic acid test within 7 days before arrival at the destination must be provided. After arrival in Guangxi, three times of nucleic acid test+home or centralized isolation medical observation or self-health monitoring 14 days are required.