1回目のお支払に関しては、前回時に別で契約書をやり取りさせて頂いており

1回目のお支払に関しては、前回時に別で契約書をやり取りさせて頂いております。

金額に関しては、確認ありがとうございます。
Milestone3の記載がまちがっておりました。修正してお送りいたします。

他に問題が無ければ、弊社の方で原本を作成して郵送させて頂きます。

よろしくお願いします。

Results (English) 2:

With regard to payment for the first time, and we have been exchanging contract with another at the last. For the amount of money, Thank you for confirmation. Milestone3 of described had been wrong. Fixed to we will send. If there are no other problems, we will be mailed by creating an original in the way of our company. Nice to meet you.

Results (English) 3:

In terms of payment for the first time, the last time we exchanged to the contract. On the sum of confirmation, thank you. It was wrong of Milestone 3. We will send you a correct. If there is no problem on the other, we will create the original post. At me. Please.