Sending thousands half way around the world put your business into a lot of risk. You have the faith that your potential business partners will act in good-faith and proper due diligence will help you ease that risk. Spending a pennies to avoid heaps. It is a lot better than risking your business into a whole lot pitfalls.
This is a friendly reminder brought to you by Analema Corparation that you can consider as a checklist. As a purchaser you must do your homework.