After we receive the email, read it carefully. Since your needs are not clear and there is no direct quotation, we would like to raise some professional questions and request customer responses.
After we receive the e-mail, read carefully, because your needs are not clear, there is no direct quotation, we would like to ask some professional questions, please reply to the customer.
After receiving the email, we read it carefully. As your demand is not clear and there is no direct quotation, we would like to ask some professional questions and ask customers to reply.