16.You're offering us this product at 1800 yuan per unit-is that right?
你提供我们的这种产品报价是每台1800元吗,对吗?
17.We'd appreciate it if you could sell it to us for 1350 yuan per unit.
如果你能以每台1350元的价格卖给我们,我们将不胜感激。
18.Taking the qulity into consideration, I think the price is reasonable.
考虑到产品质量,我认为价格是合理的。