you need following documents to apply for a visa to China at Chinese embassy in UAE:
1. Original passport with blank visa pages and validity of more than 6 months;
2. UAE resident visa valid for more than 6 months. (Excluding GCC applicants);
3. Application Form which must be completed neatly and signed by the applicant;
4. One passport photo;
5. Copies of the data pages of the your passport and UAE resident visa;
6. A No-objection letter from the applicant's company;
7. An invitation from CHINA (the organizer of the medical seminars) with a copy of the inviter's license.