We acknowledge receipt of your letter … asking for our quotation 你方…月…日函要求报价，收悉。
2.
We are consequently fully committed at the moment and are unable to make you the offer as requested 本公司暂未能承接定单，故无法按贵公司要求报价。
3.
Exact specification of each valve should be made to avoid ambiguity when requesting quotations or ordering the product 在要求报价或订购产品时，应该明确每个阀门的准确规格说明，避免含糊不清。
