帮忙修改2句英语★★★★★★★帮忙修改2句英语,

Dear Sir or Madam,
Please be kindly informed that we have never ordered this case (A).In its stead,we ordered B,which is attached for your easy reference.
We would very much appreciate your double check in this case for us in a prompt manner.
We thank you very much for your cooperation in advance.
Yours Sincerely,
xxx