Chinese Business Visa Extension (F to F)
F---F3 (0) ===China F visa extension with 3-month 0-entry
F---F3 (1) ===China F visa extension with 3-month 1-entry
F---F6 (0) ===China F visa extension with 6-month 0-entry
F---F6 (1) ===China F visa extension with 6-month 1-entry
F---F6 (2) ===China F visa extension with 6-month 2-entry
F---F6 (m) ===China F visa extension with 6-month multipl-entry
F---F12 (m) ===China F visa extension with 12-month multiple-entry
Documents required 
1.
The passport with the valid F visa;
2. One 2-inch passport picture (with
white or light blue background);
3. The original Beijing "Registration Form
of Temporary Residence"
Normal processing time: 6
working days
The express service is available.
S.F express recommend---Hotline: 4008 111 111
press "2" to get the english service
