Shenzhen Dimension Technology Co.
Shenzhen Tefa Information Co.
Cixi Guangshengtong Communication Equipment Co.
Guangzhou Seven Happiness Electronic Technology Co.
Hainengda Communications Co.
Aigo
Beijing Opwell Technology Co.
Wuhan Changfei Fiber Optic Cable Co.
Shenzhen Guangwei Optical Communication Technology Co.
Huike Electronics (Shenzhen) Co., Ltd
Shenzhen Dingxintongda Co.
Zhejiang Chaoqian Communication Technology Co.