The contents of this parcel is a sample of no commercial value.

这件包裹里面是无商业价值的样本。

youdao

I have forward the sample per parcel post.

我已将样品用包裹寄出。

youdao

We are sending you by parcel post some sample of Zinc Oxide 99% for your consideration and appreciate it if you will amend your Order Sheet on or before the 10th of this month.

兹邮寄氧化锌99%样品以供参考。如若贵方能在本月10日（或之前）修正订单，我方将不胜感激。

youdao