1. To play with China you need DLC Waking the Tiger
2. Keep basic equipment because the production of weapons grows very fast
3. Go on mass assault doctrine and after mass mobilisation
4. Make Chinese United Front because Sinkiang or Communist China enter in Comitern
5. In your divisions you must have anti-air and artillery in support
6. Defend your ports
7. Keep more army experience for decision Army Reform(You must make focus tree Military Affairs Commission and after Army Reform)
8. Make focus tree Unified Industrial Planning and Expand the Academica Sinica for 1 research slot
9. When Japan start the war you stay on defence
10. When you collect sufficient army experience escape to Army Corruption
11. After the Japenese ends push try to make encircle or push to Manciukuo
12. When you enter in Manciukuo it will be easy for you push enemy divisions
13. After you capture Manciukuo take Koreea
14. You will have an event where the Japanese want peace
15. All japanese territory will been in your possession
16. Dismiss faction(Chinese United Front)
17. Conquer all chinese nations
18. Congratulations comrade!!! You united China!!!

Infantry Divisions:
13 Infatry in combat and in suport Anti-Air Artillery Engineers Logistics Signal

Cavalery Division:
10 Cavalery in combat and in suport Engineers Recon Artillery

Garrison Division:
7 Infantry in combat and in suport Anti-Air Engineers

I use Mass Assault Doctrine for this templates.
I hope helped you with this templates!!!

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