How to check in air china?

1. Download the APP of air china. You can check-in via a mobile device between 24 hours and 90 minutes before your flight. However, you must pick up your boarding pass at the airport.
2. In the Airport, there is self-service check-in machine. You can check-in with this machine.
3. Find the counter for your flight number and get the boarding pass in the counter.
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