I appreciate your hard work.
Thank you for your effort.
I appreciate your considerable efforts.
I appreciate your fantastic job.
I appreciate your hard work.
I appreciate your hard work.
I am much obliged to you.
お心尽くしの品, まことにありがとうございます.
Thank you very much for your thoughtful present.
I am much obliged to you for your kindness.
I am much obliged to you.
Thanks so much for your good thoughts.
Thank you for your time despite your busyness.
It is very thoughtful of you. Thank you.
Thanks for letting me know.
Thank you very much for your letter.
I appreciate your assistance.
I appreciate your immediate reply.
Thank you again for your good thoughts.
Thank you very much for making time in your busy schedule.