Hello! I'm selling my YAMAHA Arius Digital Piano at 4,500 RMB. I bought this piano for 7,200 RMB at Sanlitun 顺电 store this February and used around 6 month. I have warranty and After service warranty, if you buy it, you can use after service for one year and I'll give you Music books, Piano chair. If you are interested, text me or Email me:)