China
BeiJing Global Musical Instrument Co.;Ltd.
北京全贸乐器有限公司
B1 Floor, Tower A, ZiZhuHuaYuan, No.88 ZiZhuYuan Road, HaiDian District 100089, BeiJing, China.
Phone:+86-(0)-13126619900
E-mail:Evan.Lee@163.com
ZYT Music-Center
A103,Xin-Hong Bldg.,
100 Zizhuyuan Road Haidian
District Beijing 100089
Phone: +86 18501255350 
             +86 010-88512116  
zytmusic-center@hotmail.com