请问各位要交换名片的时候应该说什么英语

"Here is my business card, and I would like to have yours."
还可以说一些，"Feel free to give me a call if you have any questions about ___________" (如果你对____有问题，随时可以给我打电话。)之类的话。

“我对你的产品很感兴趣，我认为我们可能会有一些很好的一起合作的机会。”
I am very interested in your product, and I think there may be some great opportunities for us to work together.

“你可以给我张名片吗，以便我日后就 _______ 的事宜向你联系？”
Can I have your business card, so I can contact you later with respect to ___________？

Shall we exchange our name cards?