i need complete detail..how we can get business visit visa of china?what documents and conditions?

The complete requirements for China Business Visa application for Pakistanis:
1. Original invitation or confirmation letter (used to be called Visa Notice) from an authorized government organization like the local foreign affairs office or etc. in China;

2. Invitation letter from your inviting Chinese organization;

3. A recommendation letter from your local Chamber of Commerce & Industry or your company Registration Certificate (photocopy);

4. A supporting letter from your organization;

5. Your tax certificate (photocopy);

6. Your bank statement (personal or company).

7. Duly completed Visa Application Form, affix one recent color photo (30mm X 40mm).

8. Original passport with a validity of more than 6 months and minimum 2 blank visa pages, and photocopies of the first 2 pages (personal information) of your passport and recent Chinese visas if any.

9. If it is your first visit to China, you should provide your local police character/clearance certificate.