只购一箱产品的客户

I had previously thought of the idea before but there are no suppliers for such materials here in Lesotho, the nearest could be in South Africa.An idea of how much a box could cost would enable me to decide whether to import it directly from you or not.A breakdown of cost will be sufficient, thank you.
If you he other alternatives, I'd be thankful to receive them.
请问这个客人是不是来骗样品的啊？