高手帮忙翻译几句商务英语句子，谢谢，急

1. We appreciate your effort in pushing the sale of our product

2. We always quote our old clients on the most advantageous terms.

3. As a well-known agency, we have build up good relationship with many dealers

We appreciate you for marketing our products, efforts我们很欣赏你方为推销我们产品所做出的努力。
We reported to the customers is always the most favorable terms.我们报给老客户的总是最优惠的条件。
A reputation as the agents that we have with a lot of dealers have established a good relationship.做为一家享有盛誉的代理商，我们已经跟很多经销商建立了良好关系