We addressed our inquiry to the firm.
We answered the inquiry received from the firm.
We have an inquiry for the goods received from the firm.
We invited inquiries for the goods from the customers.
Will you please let us have a list of items that are imported by you.
We shall be glad to have your specific inquiry.
Would you care to send us some samples with the quotations.
Please put us on your best terms, as this order forms part of a contract.
Please state your best terms and discount for cash.
Please put us on your very best shipping terms as regards discount.
Please let us have information as to the price and quality of the goods.