[Translation from Japanese to English ] Thank you for your message. Besides 10 pieces already paid, if you have 5 ...

Original text

連絡有難うございます。

すでに支払いが完了している10個に加えてもう5個可能であれば注文します。
また同じく支払いが完了しているBの3個は今回発送していただけるのでしょうか？

あと追加で以下を注文します。

Translation / English

Thank you for your message.

Besides 10 pieces already paid, if you have 5 more, I'll buy them.
Also about 3 pieces of B alreay paid too, will you send them this time?

Furthemore, I'd like to make an additional order as below.

Translation / English

Thank you for your contact.

If you don't mind, I'd like to add 5 pieces on my existing order of 10 piece that I have already paid.
In addition, can I get the 3 pieces of B that I have also paid?

Plus, I'd like to place an additional order as the below.