Conyac で依頼された翻訳結果を公開

The good is sent back either if the good cannot pass the customs or the recipient is absent and it is overdue the safekeeping period, but neither applies to this case.
I asked the Japanese post office the reason, who answered that we need to inquire the American post office about that.
I want you cooperate with me because it is necessary to solve the problem so that we can continue making good deals, too.
Will you please ask the American post office the reason.
I think that it is a mistake of the Ameerican postal worker.

And I want you to pay attention like to contact me when the goods arrive at the American post office in order to avoid such a mistake like this time as to send the good I shipped out on 12/11 back to Japan.