There are more country tags for China depends on decisions or events.
Basic is CHI and second one could be for communism China PRC.
Country tag for China is:
If you want play for China HOI4 you could use tag command:
To annex China in HOI4 you could use annex command:
To delete all China units you could use deleteallunits command:
To add interests on China you could use add_interest command:
To remove interests on China you could use remove_interest command:
To start occupation on China you could use occupationpaint command: