Shenzhen Yuanfan Digital Technology Co., LTD was established in 2001, has been to the introduction, recearch and production of high-tech surveillance products for the purpose; continue to pursue the goal to create high-tech products; strive to become the monitor of the pioneers, advocates. In today's increasingly scarce resources, the company is in line with to make contribution to society, the principle of conservation of resources, the new R & D department set up in 2006, began to research and development production "broadband one cable" transmission system monitoring equipment, the use of cable broadband transmission, wiring simple, flexible expansion, cost-effective, integrated and strong, can integrate images, sound, control, alarm signals and broadcast background music in one coaxial cable transmission line can be said that instead of five lines, one cable transmission of the three systems. Realize the control signal transmissionf leap in the program. By the end of 2008, in order to save more capital construction wire, construction time, the company have developed a series of fool products: Coaxial cable, 2, 3, 4, 5-channel video multiplexer, 4 channel economic transmission equipment through the system bus, Personal Emergency alarm system and remote alarm system. Since the end of 2010, the Company began to develop Personal Emergency video intercom, which is the transmission line with a video intercom system. There are two wire Villa type, the main trunk line with a RF line, home with a two wire line type and building network using the same line when the building will be networked together. The company also trained a group of excellent technical talents, to provide our clients the best products, the most comprehensive pre-sales technical guidance, engineering, installation and after-sales service. Welcome the new and old customers always support us.