They mainly trade with Japanese firms.
他们主要和日本商行进行贸易。
For the past five years, we have done a lot of trade with your company.
在过去的五年中，我们与贵国进行了大量的贸易。
Our trade is conducted on the basis of equality.
我们是在平等的基础上进行贸易。
There has been a slowdown in the wool trade with you.
和你们的羊毛贸易已有所减少。
Our foreign trade is continuously expanding.
我们的对外贸易不断发展。
Trade in leather has gone up (down) 3%.
皮革贸易上升（下降）了百分之三。
Trade in general is improving.
贸易情况正在好转。
Our company mainly trades in arts and crafts.
我们公司主要经营手工艺品。
They are well-known in trade circles.
他们在贸易界很有名望。
We trade with people in all countries on the basis of equality and mutual benefit.
我们在平等互利的基础上和各国人民进行贸易。
To respect the local custom of the buying country is one important aspect of China's foreign policy.
尊重买方国家的风俗习惯是我国贸易政策的一个重要方面。
Our purpose is to explore the possibilities of developing trade with you.
我们的目的是和你们探讨一下发展贸易的可能性。

Words and Phrases
foreign trade 对外贸易
overseas trade 海外贸易
international trade 国际贸易
to trade with 和...进行贸易
to do business in a moderate way 做生意稳重
to do business in a sincere way 做生意诚恳
to make a deal 做一笔交易
deal 交易，经营，处理，与...交往
to deal in 经营，做生意
to explore the possibilities of 探讨...的可能性
trade circles 贸易界
to handle 经营某商品
to trade in 经营某商品
business scope/frame 经营范围
trading firm/house 贸易行，商行