One day, when I wanted to purchase your PRO product, but the special discount was just ended, I tried to asked you, hope you can give me the special price to me one more time, and I never thought that you would replied me instantly, then the next day you really gave me the special discount again, even if it was just only 20 US dollars different, but I felt your sincerely and nice and wonderful services to your customer, thank you so much.