You can try Sanya, Guilin or Kunming. You can just apply for the visa from the China embassy in Saudi Arabia.

hi Im Lebanese In Riyadh Saudi Arabia from witch hospital I must bring medical report and what must include for busnice visa

Mr.shad, you don't need a Physical Examiniation Record if you will stay in China for less than 6 months.

Mr.Shad, for applying Business Visa for trade or attending conference (F visa), please submit the following documents:
1/ Letter of Invitation from the company / institution you want to visit in China;

2/ Original Visa Notice Sheet from an authorized Chinese governmental apparatus /organization, prescribing the visa validity, number of entries and stay period. The Notice Sheet can be obtained by the above said Chinese company / institution in China;

3/ Fully completed Visa Application Form, attached with 1 recent photograph (30mm X 40mm)

4/ Original passport with validity more than 6 months and minimum 2 blank visa pages;

5/ Photocopy of the first 2 pages (personal information pages) of the passport;

6/ Saudi Iqama and its copy for non-Saudis;

7/ Return flight tickets and hotel reservation in China and their copies;

8/ Cover Letter / Letter of Recommendation from your company / institution.

Following documents are also required in case of necessity:

1/ Your up-to-date Personal Bank Statement;

2/ Photocopy of your company's Registration Certificate stamped by the Chamber of Commerce and Industry.

3/ Non Criminal Clearance Certificate from the Police.