供货方鉴定(评价)

оценка поставщика

该公司违背了按单价1。50英镑供货的协议。

a unit.

应当承认，你方的设备比其他供货商的要好一些，可是你方的价格太高。

Admittedly, your equipment is somewhat better than those from other supplier but your price is too high.

你在开始为中心暖气装置订购石油之前，给一些供货商打电话，看谁的要价最低。

Before you start ordering oil for the central heating ring around the suppliers to see who will offer you the cheapest price.