Dear Mr.XX:
It's been a while since we submitted the seven quotations,yet we haven't been informed of your decision to this date.Whether the outcome is favorable,we sincerely wish to hear from you.Much obliged if you could simply let us know.Thanks.
Cordially,
ZZZ
注：谨参照你的中文稿内容,根据标准商业文书用语和规范做出微调后意译.