第一句：We have been importing and exporting all kinds of metals and minerals for thirty years.
我們經營各種金屬和礦石的進出口業務已經有30年了。

A: We have been importing and exporting all kinds of metals and minerals for thirty years.
我們經營各種金屬和礦石的進出口業務已經有30年了。
B: Your company really has a long history.
貴公司的歷史很悠久啊。
A: Yes. And we have many customers and friends in over 80 countries and regions.
是的。我們的客戶和朋友遍布世界80多個國家和地區。
B: Oh, great.
噢，那太棒了。

第二句：As a joint venture, our cooperation has won a prominent position in the field.
作為合資企業，我們在這個領域里地位突出，擁有眾多合作伙伴。

A: As a joint venture, our cooperation has won a prominent position in the field.
作為合資企業，我們在這個領域里地位突出，擁有眾多合作伙伴。
B: Hearing your introduction, we really have the interest to cooperate with you.
聽了您的介紹，我們很有興趣和貴方合作。
A: We will not disappoint you.
我們不會讓您失望的。

知識延伸：

多年的經驗，多個合作伙伴，在該領域的杰出地位都能夠吸引你的客戶。
其他表達法：
We have been handling leather shoes and gloves for more than 20 years.
我們經營皮鞋和手套業務已經有20多年了。