1. Beijing

Post codes  01 - 10

2. North China

Post codes 11  to  19

3. SHANGHAI

Post codes 20

4. Around Shanghai

 21 to 24

5  North East

 25 to 30

6. South East

 31 to 39

7. Middle East

 40 to 50

8. South

 51 to 60

9. West

 61 to 86