[zht]

Or even better Simplified Chinese which people of all Chinese dialects on the mainland can read.

[pixelcort]

From my understanding, Mandarin is a spoken dialect and there is no such thing as "written Mandarin." Simplified Chinese is one of two common written forms of Chinese.

[newsoundwave]

That's basically correct, although there are certain phrases and grammatical patterns that don't quite match up in Mandarin/Cantonese - most will try to avoid those.

[zht]

That's what I was getting at