We are relieved that we were able to deliver the product safely.
Thank you very much for your cooperation.
We look forward to working with you again when the opportunity arises.
They say there was some kind of shipping error that caused it to arrive late, and then they ask me if it's there yet. Have you replied yet? I would like to remind you that the reason for the late evaluation was my mistake in the first place. I would like you to remember that it was your mistake that caused the delay in the evaluation.