im filipino. i have business trip with invitation letter from company that i will have a business

If you are applying from Qatar, you will need the following documents:
1. Passport; 2. Application form and recent photo; 3. Valid residence permit in Qatar with a remaining validity of more than 6 months; 4. A cover letter from your employer, if you are self-employed, then submit a business registration certificate; 5. An invitation letter from the company in China.

If you apply for China visa for the first time, you may also need to submit the following documents:
1. A bank statement of the latest six months and receipt for the bank statement; 2. income tax return form