I have just made the China Mod, including:
Starting with China as a playable nation
Laws and Decrees
Missions
No special music apart from the Chinese tunes already in the game.
Backup your files before copying and pasting on your Pride of Nations directory.
Now this is a part of the SpanishMod
http://www.ageod-forum.com/showthread.php?t=22279
Version 1.02
Some pictures:
China is the 17th power in prestige
Few colonial options. Here the Urumqi colony.
Objectives, military power and prestige.
Few factories and lot of silk.
Two missions added: best rice and fish producer
Laws and decrees available
Have fun!
More info: http://forum.paradoxplaza.com/forum/showthread.php?561998-China-Mod