Generally, the rewuired documents are as follows：
1.Applicant's passport with blank pages and at least 6 months validity left before expiration.
2.A truly and completely filled application form affixed with one passport-size or 2x2 colored photo.
3. An original Visa Notification Form issued by Chinese authorized unit.
4. A copy of the round-trip plane ticket
5. Hotel reservation / invitation letter with a copy of the inviter's valid residence visa and passport information page or inviter's Chinese national identity card and the company's business registration.
6. Previously used China visa in old or new passport if any.
8. The emergency contact information page in the applicant's passport should be filled out and photocopied.
9. Other documents required by the visa officers if necessary.