I am an Indian national with permanent resident status in Japan. I have visited China earlier on Multiple business visa but I have forgotten the requirements.
1) I have got an invitation from a company in China for business discussions. (same company had invited me during my earlier visit)
2) I have a return air ticket between Tokyo and Shanghai with dates booked.
3) Passport with sufficient pages.
4) Visa application form downloaded from Chinese Embassy site.
Kindly let me know if I need any thing else. to apply for a multiple business visa.