One of the things we businessmen know is that you've got to go for the marketing gusto. There's no point in being shy or reluctant in proclaiming the value and worth of your own products.
That's why when you go off to tradeshows there's no point in simplyhaving a few mimeographs to hand out from your table and chair booth. You need to actually spend some time and money on your trade show exhibits. Click through that link to see what I mean: those sorts of stands and designs scream that you've got something interesting to tell people. Which of course, is half the battle in any type of marketing, getting people's attention in the first place.
You might also want to have a look at what they can do for you about exhibit booths as well, to see more detail of what is on offer. Yes, trade show displays are also available.
You only get that one chance to make a first impression on a potential customer: to convert them into an actual customer that impression has to be a good one.