Headquarters 

Shenzhen Chang Universal Electronics Co., Ltd.

RM 2604, Block A, Xingzhan Square, South Ring Road, Shajing

Street, Bao'an District, Shenzhen 518125, PR. CHINA

Tel: +86-755-27233339

Fax: +86-755-27233936

Email/Skype: ywb3@szhycdz.com

East China Marketing Branch 

Suzhou Shen Yu Sheng Electronics Co., Ltd.

No. 81, Xingwu Road, Wuzhong District, Suzhou

city, Jiangsu Province, PR. CHINA

Central China Production Base

Henan Huanyuchang Electronics Technology Co., Limited

Runan Industrial Park, Runan County,  Zhumadian

City, Henan Province, PR. CHINA