As John Clark mentioned up in the first post, separate Chinese is available.
For those who are looking for the direct link to the
CJK:
Click Here to:Download Software
8320CJK_PBr4.2.2_rel321_PL2.5.0.33_A4.2.2.175_CSL. exe
BlackBerry Handheld Software v4.2.2.321/4.2.2.175 (Chinese)
Sorry, was in too much of a hurry to grab the OS download to read the full post up on top.