Is there no chance to upgrade the ship?

I won't. Hanglv Zongheng is the first travel-based mobile service product launched by China Civil Aviation Information Network Co., Ltd., which can provide passengers with complete information services from travel preparation to arrival at their destination, and solve all problems of civil aviation travel through mobile phones. According to the inquiry, everyone is asking. As of March 9, 20021year. The airline does not provide upgrade service. If you need to upgrade, please consult the airline counters at the airport to handle the upgrade.