Hi Cholil,
Thank you for the estimate. That 
is much easier to follow. Shipping is still very expensive. Much more 
than we usually pay per piece ($1.84 per dress, over 40% of the cost of 
the product). We should be paying no more than $1 per dress for 
shipping. So if we are ordering 350 dresses, we would estimate shipping 
to cost approx. $350. How long does this shipping method you quoted us take in transit? 3-5 days? 7 days? I think the estimate of weight is high. We can pay the estimated shipping cost, however if it is lower, we would need a refund from you. Perhaps we should pay for the order via Western Union and pay for shipping via Paypal so you can easily refund us if we have overpaid for shipping.