MS LINDA (Oceanica area)
EMAIL: linda@your-sound.com
MOBI PHONE:8620-88459281
MANUFACTORY ：86-20-61920638
FAX:86-20-61920639

MR FRANKIELUNG (Hongkong area)
USOUND AUDIO EQUIPMENT COMPANY
EMAIL: usound@126.com
MOBI:852-90300880 (HK)
OFFICE PHONE No：86-20-61920638

MS CATHY (Euro area)
EMAIL:usound-audio@hotmail.com
MOBI PHONE:8620-88459281
MANUFACTORY ：86-20-61920638
　

MR KEVIN (Asia area)
EMAIL: kevin@your-sound.com 
MANUFACTORY ：86-20-84804183
MOBI PHONE:8620-33980161

MR STEVEN
EMAIL: usound@126.com
MOBI:13073083888
MANUFACTORY：86-20-84669973