A. valid passport with enough blank pages.
b. Certificate of alien registration (to the aliens who have the visa with the period of more than half a year in Japan)
c. One recently taken, bareheaded, full-faced photo.
d. one completed visa application form of people's republic of China
e. A Chinese hotel reservation certificate and a two-way ticket
it takes 4 working days for visa processing, for example, you submit application on Monday, you can get Chinese visa on Thursday.