Ed
If you put a little info in your profile, like where you are located, perhaps one of the dealers who frequent here may be in your area. Also some of the users may chime in with knowledge of dealers in your area. Heck, you may even hear from some kind soul in your area who will invite you over to take a look at theirs
What size tractor are you looking for. If a smaller one say a 25HP, Google "Jinma 254" or "Jinma 284" and you will get a lot of search results, many from dealers websites. Perhaps one will be in your area and you can go get some look-see there.
I think these machines are best paired with someone who is mechanically inclined, or at least indipendent/self sufficient. Do you do your own tuneups and oil changes? Have you ever removed a cylinder head to replace a leaking headgasket? These are certainly not pre-requisites, but it certainly helps if you are not afraid of a wrench. These machines are pretty basic, and very easy to work on with a few simple tools and perhaps a large capacity floor jack and jack stands. If you are not inclined to this sort of work, then a good servicing dealership in your area, particularly one who stands behind what they sell, will make things a lot easier if you should encounter any problems.
I love my Jinma 284, it is a real brute for it's size. I did quite a bit of research and insisted on some hands on before I bought one, but one of the main reasons I did was because of the numbers being sold. There are a lot of Jinma dealers and a lot of the 25HP being sold. This means a lot of available parts if something should fail. I can fix anything if I have the parts
My nearest dealer at that time was 1 hour away. I bought from a dealer more than 2 hours away based on reputation and price. I have had 2 minor problems with mine in 2 1/2 years, both happened within the first few weeks and the dealer I bought from had me replacement parts within 24 hours on both occasions. A good dealer will setup these properly and perform the required service. This in itself will head off most of the potential problems.
Good Luck