The division of publishing level depends on the competent unit. If it is sponsored by a unit in a province, it is a provincial publication; "State-level" periodicals, which are clearly marked as "State-level periodicals" on the publications, also have issue numbers. The standard format of CN serial number is CN XX-XXXX, in which the first two digits are the area codes of provinces, autonomous regions and municipalities directly under the Central Government.

1 1. Beijing

12. Tianjin

13. Hebei Province

14. Shanxi Province

15. Inner Mongolia

2 1. Liaoning Province

Jilin province

23. Heilongjiang

3 1. Shanghai

Jiangsu Province

Zhejiang Province

34.Anhui Province

Fujian Province

36.Jiangxi Province

37.shandong

4 1. Henan Province

42.hubei

43.hunan

44. Guangdong Province

45. Guangxi Zhuang Autonomous Region

46.Hainan Province

50.chongqing

5 1. Sichuan Province

52.guizhou

53. Yunnan Province

54. Xizang Autonomous Region

6 1. Shaanxi

62.Gansu Province

63.Qinghai Province

64. Ningxia Hui Autonomous Region

65. Xinjiang Uygur Autonomous Region

As for publication, you can contribute directly to the magazine, that is, the time for reviewing and publishing is slower. If you want to contribute quickly, you can find an agent. When I review, I need magazines urgently. Organized by teacher Zhou of the newspaper office. You can ask, there is an office in Xi 'an.