what are the chinese and canadian business visa requirements for premanent resident here in calgary?

The requirements for Chinese Business Visa are:
(1) An original copy of passport with enough blank visa pages, valid for at least another 6 months.

(2) A fully completed copy of Visa Application Form signed by the actual applicant;

(3) One recent 2×2(in.)-sized color passport photo, white in background, with a full front view of the applicant's head and shoulders but without any head cover.

(4) Invitation letter (original or fax) from China side

(5) Canadian permanent residence permit and its copy.