According to the notice from the Chinese Embassy in Korea, effective from March 9, 2015, the Chinese Visa Application Service Center in Busan will accept the Canadian applicants multi-entry L, M, Q2 and S2 visas valid for up to 10 years while not exceeding the validity of the passport.
Document requirements are the same as before. Applicants may contact Chinese Visa Application Service Center for more information.
Chinese Visa Application Service Center
9th March 2015