The detailed requirements for work visa application:
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. Original Working Permits, such as: Working Permit issued to foreign experts by The State Administration of Foreign Experts Affairs, Alien Employment License of the People's Republic of China issued by Ministry of Labor and Social Security, Letter of Invitation for Foreigners Engaged in Offshore Petroleum Operations in the People's Republic of China, etc.

5. All working visa applicants shall provide a Physical Examination Certificate for Foreign Citizen (physical exam forms, guidelines and list of accredited hospitals are available at the visa counter).

6. All Philippine passport holders who will go to China for the first time must submit an original NBI clearance valid for travel abroad.

7. The emergency contact information page in the applicant's passport should be filled out and photocopied.

8. Other documents required by the visa officers if necessary.