Yes, you can verify it by clicking b2c.csair.com/B2C40/modules/bookingnew/manage/checkOrder.jsp?lang=cn
There are two ways:
If the system shows your ticket information is not found, it means the ticket is not valid or has not been issued. We propose you dial China Southern Airlines website service number 4006695539 (domestic); +86-4008695539 and +86-20-22395539 (international) for further query.