What Visa must i apply for when going to the Canton Fair in Oct 2011, i am from South Africa.

You can try to apply for a double entry or multiple entry China business visa. Requirements are as follows:
(1)One completely filled out visa application form; all blanks on the application form should be filled in with genuine information;

(2)One recently taken 2X2 inch photo showing entire face and without a hat on. Please affix the photo to the application form;

(3) Original passport with at least 2 blank visa pages and valid for at least 6 months beyond the date of application.

(4) Qualified original invitation for Canton Fair, guarantee letter with signature and stamp from your sponsor and business partner in China. The letter should state clearly your name, position and passport number, your company name, address and telephone number, purpose of visit, duration of stay and specific itinerary in China;

b) Qualified original introduction letter with the full name, title, date & signature of the issuing person from your company. The letter should state clearly your name, present occupation and position in the company, purpose of the visit, intended duration of stay, city intended to visit, name and address of your business partner in China, items and quantity of goods planned to order and purchase;

c) Round-trip ticket booking.