Many users want to upgrade themselves after purchasing a ticket, but they don't know how to upgrade or where to do it. The method is very simple. Just open the itinerary details of the ticket and you can handle the upgrade there. The following is an introduction to how to upgrade in Hangzhou Airlines. Let’s take a look!
1. First open the "Hanglv Zongheng" software.
2. Then check to see if there are any high-class seats available on your flight.
3. Finally enter the itinerary details and you can apply for the upgrade.
The above is the introduction of how to upgrade in Hangzhou Zongheng? Please pay attention to this website for more relevant information and tutorials on how to upgrade your cabin at Air Travel Zongheng.