Dnper is NOT Chinese, rather another Ukranian BMW clone ala Ural
http://en.wikipedia.org/wiki/Dnepr_(motorcycle)
Chang Jiiang is the Chinese one.
http://www.google.com/search?hl=en&ei=ep6eSuydPIGM8Qbp_NGrAw&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=chang+jiang+motorcycle&spell=1
Both have their quirks, but i'll give a grand for either with sidecar in complete condition. They are about as easy as a Briggs & Stratton to work on.