美国采购需求：球囊管、双层球囊管、三层管、多层管、内腔管、管材挤压

I hope this message finds you well. I'm reaching out to gather more information about your range of products. I'm particularly interested in details regarding specifications, pricing, and potential bulk discounts. It would be great to understand the minimum order quantities and lead times as well. Also, if you have a catalog or any promotional materials showcasing your offerings, that would be super helpful. Looking forward to your response so we can explore potential collaboration opportunities. Thanks!