Please tell me your purpose of coming to China? The basic requirements for China visa application 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; all applications prepared by people other than the applicants (except those below 18 years of age) should be properly signed by the applicants themselves; for every application prepared by a travel agency, both the agency's seal and proper signature of the actual applicant should be visible.

(3) One recent 22(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.

The additional requirements for the type of China visa are different, for example, the Invitation letter (original or fax) from a company in China is required for Business Visa Application