Citizens of 53 countries with valid international travel documents and air tickets for a connecting flight with confirmed date of flight and seat for a third country (region) can apply for the 72-hour or 144-hour transit visa exemption at ports of entry in Beijing, Shanghai and Guangzhou . (For more information, please refer to
https://en.nia.gov.cn/n162/n227/c58934/content.html and
https://en.nia.gov.cn/n162/n227/c58964/content.html