Shenzhen SDG Information Co.,Ltd.(Cable Branch)
ADD：No.2 Kefeng Road, Science Park, Nanshan District, Shenzhen Guangdong, P.R.China
TEL：86-755-28126604   26506725
FAX：86-755-26506720
ZIP：518057
E-Mail：guanglan@sdgi.com.cn 

Shenzhen SDG Information Co.,Ltd.(Electric OFC Branch)
Add：No.2 Kefeng Road, Science Park, Nanshan District, Shenzhen Guangdong, P.R.China
TEL：86-755-26501662
FAX：86-755-26506720
ZIP：518057

Shenzhen SDGI Optical Network Technologies Co.,Ltd.
ADD：SDG Industrial Park,Heping Road.(west),Longhua Town, Bao'an District, Shenzhen Guangdong, P.R.China
TEL：86-755-29019125   29017126
FAX：86-755-28126609
ZIP：518109
E-Mail：luhao@sdgi.com.cn

Shenzhen SDG Information Co.,Ltd.(STEC Telecom Branch)
ADD：Taike Industrial Building, NO.2, Taike Road, Meilin Industrial Area, Shenzhen, Guangdong,China
TEL：86-755-83122760
FAX：86-755-83310780
ZIP：518049
E-Mail：taike@sdgi.com.cn

Guangxi Jicon Electronics Technology Co.,Ltd. Shenzhen Branch
ADD：W1-B1-1F, Hi-tech Industrial Park, Shennan Road, Nanshan District, Shenzhen, P.R.China
TEL：86-755-26520552   26520560
FAX：86-755-26520818
ZIP：518057
E-Mail：jiguang@sdgi.com.cn

Draka Comteq SDGI Co.,Ltd.
ADD：Langshan No.1 Street North, Number 5 Industry Zone, Nanshan Shenzhen, P.R.China
TEL：86-755-26981288
FAX：86-755-26981299
ZIP：518057