Line 18, China's fastest subway line, Guangzhou Metro Line, officially opened at 14:00 on September 28.Yantai persistently provides a Beidou time system for Guangzhou Metro Line 18.

    Guangzhou Metro Line 18 is the first municipal express line in Guangzhou, the first fully underground municipal express line of 160 km per hour in China, the fastest subway line in the Guangdong-Hong Kong-Macao Greater Bay Area, and the most "intelligent" national technological innovation demonstration line, and has set a number of "national first" in the field of urban rail transit:The rail transit operating system based on industrial Internet and Internet of Things is adopted in China, the rigid contact power supply system and single-phase combined power supply technology, the high-speed CBTC train signal system in China, the communication system, and provide multi-dimensional, holographic and intelligent service for passengers and operators.

    As one of the core systems of "intelligent" subway operation guarantee, the CJ-M9300IIIG Beidou time system used for Guangzhou Metro Line 18 is independently developed by Yantai with complete intellectual property rights.The system adopts ARM + FPGA architecture, unique core technology and patented algorithm, output NTP, PTP, IRIG-B code, serial port to Times and pulse signal 1PPS; timing accuracy reaches nanoseconds, its accuracy, reliability and stability all reached the international first-class level; can provide accurate, safe and efficient, multi-scene timing services for subway scheduling, signal, automatic checking, face recognition, information display, security, broadcasting and other intelligent, automation, information equipment and system.