The document is to be notarized by a local notary public, lawyer or Commissioner of Oaths of Canada
The document, notarized where the Chinese Embassy holds consular jurisdiction, to be authenticated by the authentication office of the Canadian Foreign Affairs Department.
The document, notarized where the Chinese Consulate General holds consular jurisdiction, is to be authenticated by the authentication office of the relevant province (territory).
The document is to be authenticated by the Chinese Embassy or Consulate General in accordance with the location where it is notarized. Note – this must be done in person or via a service.
See the following link for an overview: http://ca.china-embassy.org/eng/lsyw/gzrz/rz/