单项商品比价指数 parity index of individual commodities
单项商品大量采购协定 single commodity bulk purchase agreement
按商品种类不同，分为单项商品价格指数、商品类别价格指数和总指数。
According to types of commodity, it can be divided into goods price index of an individual event, the classification price index of the goods and total index.
对于定期购买单项商品数量不少于800 打，我们可给予3％的折扣，用保兑的、 不可撤销的即期信用证付款。
On regular purchases in quantities of not less than 800 dozen of individual items, we would allow you a discount of 3%. Payment is to be made by confirmed , irrevocable L/C at sight.
应用推荐