A Chinese visa is required for visitors from most of countries (for Singapore, Brunei and Japan, see info at the end). The guidelines for Chinese visa application have been changed recently. An invitation is normally needed for visa application (please check with your local Chinese consulate).
Please download information form and send the completed form to wukj@ctgu.edu.cn , and the letter will be available within five work days.
There are a lot of companies one can find online (preferably with local courier service) that can apply visa for you for a small extra service fee.