The transferee must see to it that the quality of the product is maintained.接受转让一方要负责保持产品的质量。

    Our Certificate of Quality is made valid by means of the official seal.我们的质量证明书盖公章方为有效。

    The new varieties have very vivid designs and beautiful colors.新产品图案新颖，色泽鲜艳。

    We'll improve the quality of our products and production efficiency.我们将改进产品质量，提高生产率。

    They are fully qualified to pass opinions on the quality of this merchandise.他们完全有资格对这种产品的质量发表意见。

    We would like to have you offer us 100 metric tons, quality same as last.希望您能报给我们100吨质量和上次相同的货。

    The quality is all right, but the style is a bit outdated.质量无问题，只是式样有点过时。

    We found the goods didn't agree with the original patterns.我们发现货物与原式样不符。

    These two grades are very much in demand.这两种等级（的货）目前需求甚殷。

    The quality of the fertilizer is inferior to that stipulated in the contract.化肥质量次于合同中规定的。

    We always have faith in the quality of your products.我们对你们产品的质量总是很信任。

    We are responsible to replace the defective ones.我们保换质量不合格的产品。