This is an old post but rather interesting.
The trading company has to add some value towards the transaction, otherwise the buyer may as well buy from the factory. Buyers will usually find out about the factory through packaging anyway.
So what can the trading company do?
a. make sure the factory meets customer specification
b. meet datelines
c. offer problem resolution.
d. minimise risk
Risk is something sellers/trading companies are still not taking up on themselves to help buyers.
As a buyer, I am requried by domestic trading laws to provide some warranties, etc etc. If the product i supply then fails within the warranty period, i am required to replace or refund.
Yet seller don't care about their products as long as they get the money and let the buyer rot in * when the product is faulty.
If you are confident of your product, then give a 30 day money back guarantee. For example, the shipment is $10,000. I pay $5,000 on shipment and after 30 days, I pay the remaining 5,000.
Do you trust your seller? Do you trust your product?