美国采购需求：网球穿线机、网球拍穿线机、网球拍穿线器、羽毛球穿线机、穿线机、羽毛球穿线机出售

I'm interested in purchasing one unit of a specific machine and would like to have it shipped to the United States. Could you please provide me with the detailed specifications, pricing, and lead time for this item? Additionally, I'd appreciate any information regarding warranty options and after-sales support. If you have any promotions or bulk order discounts available, please share those as well. Looking forward to your prompt response!