美国采购需求：塑料袋、塑料包装、塑料包装袋、复合薄膜、复合薄膜卷、包装薄膜

I'm interested in understanding the wholesale pricing structure for your products. It would be great if you could provide details on your pricing tiers as well. Specifically, I'm looking for information on bulk discounts and any price breaks you offer based on order quantities. This will help me assess how to plan our purchases effectively. Additionally, if there are any minimum order quantities or special requirements associated with the pricing tiers, please let me know. It's essential for us to determine the best options available, so any information on lead times, payment terms, and shipping costs would also be appreciated. Thank you!