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?
什么时间把贵企业的兄弟公司简介给大家？
Would you please introduce us to some of the most reliable exporters of Chinese handicrafts?
请向大家推荐一些最可信的中国手工艺品出口商，可以吗？
If you are interested in dealing1, with us in other products of our company, please inform us of your requirements as well as your banker's name and address.
假如你们有意经营我公司其他商品，请告知你方需要及往来银行的名字和地址。
Because of the rapid development of our business in Asia, we think it's necessary to open a branch at the following address.
鉴于大家在亚洲区域业务的飞速进步，有必要在下列地址设立分公司。
We've often expressed our interest in investing in China.
大家一直对在中国投资非常有兴趣
