Check the links below, you will find all the required forms to sponsor your Wife. Don't forget to check the country specific requirements for additional documents required.
http://www.cic.gc.ca/english/information/applications/spouse.asp
For Chinese national:
China (People’s Republic of) – Instruction(s) for documents
- Persons born in the People’s Republic of China since 1996 must submit a notarized copy of the original Medical Certificate of Birth issued by the Ministry of Health of the People's Republic of China. (If this is not available, you must submit an explanation as to why this document cannot be submitted.)
- For residents of the People’s Republic of China (PRC), a kinship certificate is not acceptable as proof of relationship.
- If you hold a passport from this country, you and your family members included in the application must provide:
- The household register called the “hukou”.
- Proof of marital status for children 16 years of age and older.
- For divorces obtained in the Special Administrative Region of Hong Kong, please provide an “Absolute nisi decree”.
- If residing in this jurisdiction (or another jurisdiction where Chinese is used for mail delivery):Where indicated, provide your address in Chinese characters as well as in Pinyin or English, including postal code. The mailing address you provide must be the residential address of a person or the business address of a firm. A post office box number is not acceptable.
As far as the documents attested into English, all the official documents issued by Chinese government need to be attested in China, by Chinese public notary office.