1. If our order is a substantial one, how much will you bring your price down?

如果我方订购数目大，贵方能降价多少？

2. We would appreciate it very much if you let us know what discount you can grant us if we give you a large order of your products.

若能告知大量订购贵方产品的折扣，我方将不胜感激。

3. Please furnish us with full details.

请向我方提供全部细节。

4. We shall be pleased to furnish you with any information you may require.

我方乐意为贵方提供任何所需信息。

5. If you can bring your price down, say 6%, we might conclude the business.

如果贵方能略微降价，比如6%，我们就可能成交。