There is more than one answer to this question.
1. The most reliable, invite them home for coffee and show them a product that is delivered by TripleClick even in your distant country.
2. You can show them some of company from Your country that have offered their product.
3. And explain them how the payment works
4. That they have no expence in offering their product
That should be enough to see their opportunity to show them self on the new market
