1. Your experience in this field makes us believe that you can be a good agent.

我方相信，凭借该领域的经验，贵方会是一个好的代理商。

2. We feel inclined to agree with your agency of our products.

我们拟同意贵方代理我方产品。

3. After paying due consideration to your proposals and investigating your business standing we have decided to appoint you as our agent in the district you defined.

对贵方提议慎重考虑以及业务调查以后，我方决定委托贵方在所提议地区做我方代理。

4. We regret that we are unable to accept your proposal since we already have an agent in your area.

我方在贵地区已有代理商，很遗憾不能再接受贵方的提议。

5. Sorry, we have already several representatives of our products in your district.

对不起，我方已经委托好几个代理商在贵地区销售我方产品了。