我有一个很好的产品想要给您看一看。
I have a very exciting new product to show you.

您好。您看起来很面熟。
Hello. You look familiar.

For example:
A: Hello. You look familiar.您好。您看起来很面熟。
B: You do too! I'm Nancy Lin.您看起也很面熟！我是林南茜。

您不用自我介绍。
No need to introduce yourself.

For example:
A: Mr. Wang, I am BaiXue from NHK Television Station,
王先生,我是NHK电视台的白雪。
B: No need to introduce yourself. I watch you on TV all the time.
您不用自我介绍。我在电视上经常看到您。

他告诉过我您会来拜访。
He told me you would be calling.

For example:
A: My name is Nancy Mr. Robert Wu referred me to you.
我的名字是林南茜。是吴先生介绍我来的。
B: Yes. He told me you would be calling.
是的。他告诉过我您会来拜访。

这个职务我刚接,所以我想来拜访,介绍自己。
I just wanted to introduce myself since I am new in this position.

For example:
A: I just wanted to introduce myself since I am new in this position.
这个职务我刚接,所以我想来拜访,介绍自己。
B: Oh you're replacing Robert? 喔,您是接罗勃特的位置？

我一直盼望着这次旅行,真感谢您的邀请。
I have been looking forward to this trip. It's very good of you to invite me.

欢迎光临。很高兴你们能来。
Welcome. Glad you could make it.

For example:
A: Welcome. Glad you could make it.欢迎光临。很高兴你们能来。
B: Thank you for asking us.谢谢你们的邀请。

我想会见负责采购的人。
I'd like to see the person in charge of purchasing.

A: I'd like to see the person in charge of purchasing.
我想会见负责采购的人。
B: Good morning, I'm Paul Lennon, in charge of our Purchasing Section.
早安,我叫保罗•蓝侬,负责本公司的采购部。
in charge of 负责

我可以留下这份小册子吗？
Can I keep this brochure?

For example:
A: Can I keep this brochure?我可以留下这份小册子吗？
B: Of course.当然可以。

你们经营什么呢？
What do you have?

For example:
A: What do you have? 你们经营什么呢？
B: We specialize in power saws and drills.我们专门经营电锅和电钻。

你带了样品来吗？
Do you have any samples with you?

For example:
A: Do you have any samples with you?你带了样品来吗？
B: Yes. Here you are.有的。这就是。
sample 样品

你说你从事的行业是什么？
What did you say your line of business is?

For example:
A: What did you say your line of business is?
你说你从事的行业是什么？
B: Textiles.纺织品。

你愿意看一下这个吗?
Would you like to have a look at this one?

A: Would you like to have a look at this one? 你愿意看一下这个吗？
B: Yes, let me see what you have.好的,让我看一下你的货。

我要告辞了。
I must say good-bye.

For example:
A: I must say good-bye.我要告辞了。
B: I will give you a call to follow up next week.
下个星期我再跟您打个电话看看。

我想什么时候去拜访你。
I'd like to come and see you sometime. I'd like to come and visit you sometime.