Dear X,
Thank you for your letter of May 17.As regards your counter offer,we regret we can’t accept it mause we feel that the price listed is reasonable and leaves us limited profit already.
However, in order to meet you on this occasion, we are prepared to grant you a special discount 5% on condition that your order is not less than 1000 picces.
We hope to receive your order at an early date.
Best regards,
(Your name)