You can submit your visa application and the requirements as follows to Chinese embassy in Abu Dhabi:
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 non-GCC applicants);
3. Application Form for P.R.China which must be completed neatly and signed by yourself.
4. One passport photo.
5. A No-objection letter from the your company;
6. An invitation from CHINA with a copy of the inviter's license.
General process is 4 working days, visa fee for a single entry is Dirham 100, for urgent service, you need to pay extra service fee about Dirham 110.