Originally Posted by
b_itamar
When flying code share flights with CA, on non CA metal, they DON'T allow *G members to enter Air China lounge. Happened twice in PEK and in TSN (Tianjin).
Probably don't understand the term "code share" especially when having Air China ticket!!!

Not surprising. Codeshares rarely qualify for any benefits of the marketing carrier, the operating carrier's rules/practices apply.