外贸邮件是成单的关键。50句常用句型，直接复制使用。
【开发信开场】
1. I came across your company on Alibaba/Made-in-China and was impressed by your product range.
（我在阿里巴巴看到贵司，对你们的产品线印象深刻。）
2. We specialize in [product], and I believe we could be a reliable supplier for your business.
（我们专业做[产品]，相信能成为贵司的可靠供应商。）
3. I would like to introduce our latest collection and see if there is potential for cooperation.
（想向您介绍我们的最新系列，看看是否有合作可能。）
【报价与议价】
4. Our FOB price is USD 5.50/pc, which includes standard packing.
5. This price is already at its lowest, so I am afraid we cannot make further concessions.
6. We could offer a 3% discount if your order exceeds 5,000 pieces.
【交货与跟进】
7. Could you please confirm the delivery date so we can arrange production accordingly?
8. The goods are ready and will be shipped next Tuesday as scheduled.
9. May I know the reason for the delay in payment?
【处理投诉】
10. We sincerely apologize for the inconvenience and will compensate you for the defective goods.
（对此不便我们深表歉意，将对缺陷产品进行赔偿。）