Shanghai Bell, Alcatel, Huawei Technologies, FiberHome Communications, ZTE, Corning, Senlea, MW Optical Communications Technology, Jiangsu Hengtong.
Shenzhen Tektronix Communications Co., Ltd.
Shenzhen Tongfei Optoelectronics Co., Ltd.
Tianjin Guangxin Communications Co., Ltd.
Fábrica de instrumentos de comunicación de la provincia de Jiangsu
Shenzhen Hongfei Optoelectronics Co., Ltd.
Ningbo Daxing Post and Telecommunications Equipment Co., Ltd.
Tecnología Wuhan Qisheng Co., Ltd.
Shanghai Hao Pu Optoelectronics Technology Co., Ltd.
Instituto Provincial de Investigación de Correos y Telecomunicaciones de Liaoning
Nanjing Chuangqi High-tech Co. , Ltd.
Beijing Tuoruiguang Communication Equipment Co., Ltd.
Changchun Detai Optoelectronics Technology Co., Ltd.
Shanghai Kangkuo Optical Communication Technology Co., Ltd.
Changzhou Taiping Group Co., Ltd.
Fábrica de instrumentos de telecomunicaciones y correos de Chengdu (Meishan)
Fuyang Fuyuan Optoelectronic Communication Equipment Co., Ltd.
Tecnología de puente óptico (China) Co., Ltd.
Chengdu Tianchao Communication Technology Co., Ltd.
Shenzhen Chenrui Communication Technology Co., Ltd.
Wuhan Huaguang Optical Communication Co., Ltd.
Yixing Jitai Electronics Co., Ltd.
Shenzhen Amway Da Communication Equipment Co., Ltd.
Compañía de equipos de telecomunicaciones de Wuhan
Ningbo Fuze Network Equipment Co., Ltd.
Wuhan Luyitong Broadcasting Co., Ltd.
Taiyuan Tianguang Communication Technology Co., Ltd.
Fuyang Boda Optical Communication Equipment Co., Ltd.
Shandong Tai'an Shunda Guangtong Electronics Co., Ltd.
Instituto de Investigación de Correos y Telecomunicaciones de Wuhan
Shenzhen Tefa Information Co., Ltd. Sucursal de Comunicaciones de Tektronix
Deyang Hongteng Guangtong Electric Co., Ltd.
Changzhou Haikun Communication Equipment Co., Ltd.
Sichuan Yihao Industrial Co., Ltd.
Hangzhou Guangchi Communication Technology Co., Ltd.
Beijing Laocun Technology Development Co., Ltd.
Nanjing Konop Broadband Technology Co., Ltd.
Shaanxi Xikang Optoelectronics Technology Co., Ltd.
Wuhan Riguangdian Communication Industry Co., Ltd.
Wangtong Technology (Beijing) Co., Ltd.
Shenzhen Jianqiao Communication Technology Co., Ltd.
Zhejiang Changyuda Optoelectronic Communications Co., Ltd.
Shenzhen Jingke Communications Technology Co., Ltd.
Sundek (Shanghai) Optical Communications Co., Ltd.
Wuhan Mailite Optical Communications Co., Ltd.
Shanghai Fudan Huicheng Optical Communications Device Co., Ltd.
Shanghai Optical Communications Technology Co., Ltd.
Beijing Huofeng Technology Co., Ltd. Centro de investigación de Wuhan
Suzhou Lingzhi Communication Equipment Co., Ltd.
Guangzhou Tianhe Advanced Instrument Engineering Co., Ltd.
Yunnan Telecom Network Information Industry Group Communication Equipment Co., Ltd.
Shenzhen Aotek Optical Communication Devices Industrial Co., Ltd.
Hangzhou Dongxin Tecnología de comunicación óptica Co., Ltd.
Nanjing Huaxin Tengcang Optical Communication Co., Ltd.
Shanghai Guangzhihong Optoelectronic Communication Equipment Co., Ltd.