91.We assure you that such things will not happen again in our future deliveries.

我们保证这类事情在将来的交付中不再发生

92.We'd like to avail ourselves this opportunity to assure you of our broad attention in handling your future order.

我们十分珍惜这次机会，保证在将来的订单中更加注意

93.Our products are always good as the samples we send ,I can promise there will be not debasement of quality.

我们的产品一直如我们发给你的样品那样好，我能保证将不会降低质量

94.I guarantee that there is not difference in quality between the products we send you next month and what's samples you saw just now.

我保证在质量上，我们下月发给你的货物和刚才你看到的样品是一样的

95.I can promise you that the product we send you will be of A-one quality.

我能保证我们将发给你的产品属于A级

96.Our products are surely of standard quality.

确信我们产品质量一流

97.I give you my word that the payment will be made not later than the end of June.

我保证付款将不迟于六月末

98.I promise I will check into these problems and find out if they were our fault.

我保证我将检查这些问题并确认是否我们的过错

99.We can make sure that goods avoid been damaged during the transit.

我们能确信货物在运输过程中避免受损

100.We will provide a fresh guarantee for the protection of the equipments repaired.

我们将重新保证设备维修的保护