Shenzhen Constant Electronics Co., Ltd
Add: 5th floor, No.2 Building, East Bright Industry Region, Bao’an 33 District, Shenzhen, China
Tel: 86-755-88843383
Fax:+86-755-88843383
http://www.mmcall.com.cn
http://mmcall.en.alibaba.com

Overseas Dep. General Manager:Boris Wang
MSN:hydzwbl@hotmail.com.cn
skype:hydzwbl
Tel:+86-755-88843383-810 
Mobile: 86-13760344827

Overseas Dep. Sales Manager:Helen Wang
msn:wyan@hydz.com.cn
skype: hydzwy
Tel:+86-755-88843383-810 
Mobile: +86-13760348979

Overseas Dep. Sales Manager:Alice Zhao
MSN：hydzzjy@hotmail.com
SKYPE: hydzzjy
Tel:+86-755-88843383-804
Mobile: 86-13760126335