In order to promote business between us, we are airmailing you samples, under separate cover, for your inspection.

为促进双方业务往来，另封航邮寄上样品，供你参考。

youdao

In order to promote business between us, we are airmailing you samples, under separate cover, for your inspection.

为促进双方业务往来，另封航邮寄上样品，供你参考。

youdao