Originally Posted by
mallthus
Given that they're from countries that don't recognize the other's existence.
It's not problem. CI and CZ have Mileage partnership for two years.
http://www.china-airlines.com/en/club/club_mi_cz.htm
http://skypearl.csair.com/air6_en.html
In fact, CI also has partnership with Air China and China Eastern Airlines.