On the first one, everything looks nice, except for the front shield, which looks like it's about to come off. Wouldn't it be better to just blend the two "bubbles" into the body itself?
As for the exposed door linings on the 2nd and 3rd model, what do they do?
Here's an article on VN3 posted by Xinhui at CDF.
Carrying capacity is 1.6 ton. Max speed is 110 kph. Powerpack is 125 kw. Probably in the same class as the QL550.