安哥拉采购需求：铝型材、OEM铝型材、定制铝型材、铝管、CNC铝材、铝型材工厂

I'm reaching out to inquire about the availability of 4 units of your product. We're interested in understanding the specifications, pricing, and lead time for an order of this size. If there are any minimum order requirements or bulk discounts available, please let us know as well. Additionally, it would be helpful to receive details regarding shipping options, warranty information, and any other relevant terms and conditions. Looking forward to your prompt response so we can proceed accordingly. Thanks!