If you visit mainland china, china visa would be needed.
For Visa application: below information will be needed.
· Passport (original, not a copy), which must be valid for at least 6 months from the date of travel, with at least one blank visa page (amendment pages and pages with bar codes are not acceptable for visa stamping).
· One completed, signed Visa Application Form for each passport, with appropriate visa fee and any supporting information required.
· Two passport photos (head and shoulders only, front view, with a white background, approximately 35mm x 45mm).
See here for more detail: http://www.chinahighlights.com/travelguide/visa-application/
Christy Luo replied on 2014-01-19