China United Network Communications Group Co., Ltd. (hereinafter referred to as "China Unicom") was established on January 6, 2009 on the basis of the merger of the former China Netcom and the former China Unicom
GEFFEN is specialized in processinghigh definition video signals for years. wehave developed and produced a series ofpro video devices, including signalconverter, multi-viewer, optical fiberconverter, signal distribution amplifiersignal generator and matrix switcher, etc.
ADD:Building 3, Baizhong Creative Park, Xinqiao Section, Shilian Road, Panyu District, Guangzhou City TEL：020-34702140 Geffen Maxtrix Control System Manufactory CN All Rights Reserved 粤ICP备2021023507号
：Building 3, Baizhong Creative Park, No. 240 Shilian Road, Panyu District, Guangzhou,Guangdong，China
：+86 13928186280（Same WeChat/Whatsapp account）
：+86 20-34702140 
