For a wholesale market I would be suggesting that you developed your own site, and not used eBay, far more professional doing it that way.
Of course the big issue is driving wholesale traffic to your site, never simple and usually quite expensive. SaleHoo is the obvious place to start offering wholesale goods so you should make application to become an authorised seller (completely free)
Depending on what your stock profile is, check out website affiliate marketing avenues as well. Do the usual Social Site networking, although I doubt it would be that effective for wholesale, but non the less marketing is all about maximising your exposure so those types of avenues shouldn't be overlooked.
That's a start at least : )