The National Health Commission on June 28 issued the 9th edition of the Protocol for Prevention and Control of COVID-19, it stated that the quarantine period for international arrivals was adjusted to 7+3.
7 days centralized quarantine
5 PCR tests on the 1st, 2nd, 3rd, 5th and 7th day
3 days home quarantine
1 PCR test on the 3rd day
Please find the document below. (it is in Chinese)