越南采购需求：皮带，男士 Polo 衫皮带，男士正装皮带，耐用皮带，男士西装皮带，深棕色皮带

I'm reaching out to get some detailed pricing information on your belts. We're currently evaluating our options and would like to understand the cost structure for various models you offer, as well as any volume discounts that might apply. Could you also provide info on lead times and shipping details? Any additional specs or features that differentiate your belts from competitors would be great too. This will help us make an informed decision about our upcoming purchases. Thanks!