开曼群岛采购需求：15 英寸合金车轮、汽车轮毂、汽车车轮、铸造车轮、中国轮毂、中国轮毂

I'm reaching out to inquire about the pricing for a set of four items, specifically the 15" variant. It would be great if you could provide a detailed quote, including any bulk purchase discounts and shipping costs associated with it. Additionally, please let me know about the estimated lead time for these items and if there are any specific terms or conditions I should be aware of. Looking forward to your prompt response!