Hello Mr.(),
We've already received your quatation and apologize that we didn't contact you immediately.Our originnal purchasing plan didn't include purchasing this item but we really want to know the price of a single item from you so that we could prepare for the money and decide the purchasing quantity.Now we've decided to have 2 collections of the item and please provide the quatation for purchasing 2 items and if any possible there's a discount.Please also tell us if there's any different that we only purchase A but not B.
This is the only article that need to be confirmed by you,once it is done,we are going to sign the contract soon.
这个绝对没有用任何翻译工具,如果是电子信件的话最后还是加上祝福语和落款吧.我不能保证完全语法正确,因为一方面中文直译有限制另一方面外国人也不会去扣这些,虽然里面长句比较多,但是这段文字已经按照中文的意思全部翻到了他们一定能明白,如果完全按照中文直译的话反而容易造成歧义.