How mobile-friendly is Air China?
Air China provides an iOS app that is compatible with iPhone, iPod, and iPad.
Also, if you're a member of Air China Phoenix Miles, you can manage your profile, view your points balance, and more.
Air China has an Android app that works with most Android tablets, phones, and some Android Wear devices. Perhaps standard practice these days, the Android app offers the same functionality as the iOS app from Air China.
If you're just looking for their mobile site, you can head on over to http://www.airchina.com.cn on your mobile device.