Sorry, don't know squat about Teradata but that U_TRUNCATED_CHAR_FOUND message we've seen here before from what I recall. Have you searched for it here? Did any of them help at all?
-craig
"You can never have too many knives" -- Logan Nine Fingers
Hope Unicode would have been set in the database stage for that chinese column. Can you try by removing that unicode(if set) and providing length as triple the size of the original length.
