to speed up business relationship 加快业务关系的发展

to enlarge （widen） business relationship 扩大业务关系

to restore （resume） business relationship 恢复业务关系

to interrupt business relationship 中断业务关系

to cement business relationship 巩固业务关系

When could you introduce me to your sister company?

什么时候把贵公司的兄弟公司介绍给我们？

Would you please introduce us to some of the most reliable exporters of Chinese handicrafts?

请向我们推荐一些最可靠的中国手工艺品出口商，可以吗？

If you are interested in dealing, with us in other products of our company, please inform us of your requirements as well as your banker's name and address.

如果你们有意经营我公司其他产品，请告知你方要求及往来银行的名称和地址。

Because of the rapid development of our business in Asia, we think it's necessary to open a branch at the following address.

鉴于我们在亚洲地区业务的迅速发展，有必要在下列地点设立分公司。

We've often expressed our interest in investing in China.

我们一直对在中国投资很感兴趣