I. Project Name

Shenzhen Municipal Transportation Bureau NTP Time Synchronization System Construction Project

II. Duration of Cooperation

2026 Year One Quarterly

III. Client Introduction

The Shenzhen Municipal Transportation Bureau (Shenzhen Port Authority) is a working department of the People’s Government of Shenzhen Municipality, Guangdong Province. 2019 Established in [year] through the renaming of the former Shenzhen Municipal Transportation Commission (Shenzhen Port Authority), the organization is primarily responsible for the planning and development, industry regulation, law enforcement oversight, and emergency response in the city’s road, port, waterway, airport, and rail transit sectors. It also coordinates the advancement of smart transportation and the construction of an international integrated transport hub within the Guangdong–Hong Kong–Macao Greater Bay Area, assuming critical responsibilities for ensuring the smooth operation of the regional transportation network and providing safe, convenient travel for citizens. Consequently, it places extremely high demands on the stability, security, and accuracy of its core business systems.

IV. Purchased Products

DNTS-9 Domestication of Information Technology Innovation NTP Network time server (including 30 Mikro high-sensitivity timing antenna, mounting bracket, client-side synchronization software, and operations & maintenance management platform)

1. Core configuration: Hygon , Yangtze Memory Technologies , domestically developed server operating system
2. Timing Module: BeiDou-3 Multi-Channel GNSS Receiver, supports dual receivers / Dual-antenna configuration
3. Timekeeping Unit: Built-in aerospace-grade rubidium atomic clock (timekeeping accuracy better than 500 ns/day )

V. Customer Requirements

4. Achieve unified time synchronization across multiple terminal devices, including the global traffic monitoring system, law enforcement management platform, dispatch and command system, and data center servers, ensuring that business data timestamps are precise and consistent.
5. The device must support 7×24 It operates continuously for hours, featuring high reliability and strong anti-interference capabilities, thereby meeting the continuous-operation requirements of the transportation industry.
6. A multi-source time‑synchronization backup mechanism is employed to mitigate the risk of failure in any single time source, thereby ensuring the continuity of time‑keeping services.
7. It features comprehensive security protection capabilities, safeguarding against time tampering, cyberattacks, and other security threats, and complies with the government’s information security classification and protection requirements.
8. Compatible with existing software and hardware systems, supports mainstream network protocols, and provides a visual management interface to reduce operational and maintenance costs.

VI. Solution

Beijing Zhongxin Chuang, based on customers’ core needs, offers customized solutions. NTP Time Synchronization Solution:

1. Core equipment deployment: adopts DNTS-9 Type NTP As the primary time‑synchronization device, this product integrates GPS / Beidou dual-mode timing module, capable of automatically receiving precise satellite signals. UTC Time—time synchronization accuracy reaches the millisecond level, complying with the national standard “Technical Requirements for Time Synchronization Equipment.”
2. Architecture Design: Adopted " main - From " The distributed deployment architecture deploys replica servers in the customer’s core data center and at each business node, achieving full global coverage of time signals and redundant backups, thereby ensuring that a single-point failure does not impact the overall system operation.
3. Protocol compatibility: Supported NTP v1/v2/v3/v4 、 SNMP 、 TCP/IP and various other protocols, enabling seamless integration with customers’ existing traffic management systems, surveillance equipment, and server terminals;
4. Security Protection: Built-in security mechanisms such as access control, data encryption, and log auditing effectively defend against malicious tampering and cyberattacks, ensuring the authenticity and integrity of time‑related data.
5. Operations and Maintenance Management: A visual management platform is provided as part of the solution, supporting remote configuration, status monitoring, fault alerts, and historical data retrieval, thereby streamlining O&M workflows.

VII. Implementation Outcomes

1. Time synchronization accuracy meets the standard: All business systems across the enterprise have been unified in time, with synchronization errors kept within the millisecond range, thereby completely resolving previous issues such as data‑calculation inaccuracies and workflow bottlenecks caused by time inconsistencies.
2. System stability and reliability: The equipment operates stably, with an annual mean time between failures of 99.99% , meeting the needs of the transportation industry 7×24 Demand for continuous operation over several hours;
3. Effective security protection: Through multiple layers of security mechanisms, it has successfully thwarted numerous cyber‑attack attempts, ensuring the timely integrity and confidentiality of core business data related to traffic enforcement, dispatch, and command operations.
4. Enhanced Operations Efficiency: A visual management platform enables real-time monitoring of device status and remote operations, reducing labor costs for maintenance. 40% , earning high praise from the customer’s operations and maintenance team;
5. Strong business support: It provides a precise time reference for smart transportation applications such as traffic congestion management, emergency command and dispatch, and public transit optimization, helping to elevate the modernization of traffic governance.

VIII. Application Cases

The State Council of the People’s Republic of China, the General Office of the State Council of the People’s Republic of China, the Supreme People’s Court of the People’s Republic of China, the Ministry of Foreign Affairs of the People’s Republic of China, the Ministry of Public Security of the People’s Republic of China, the Ministry of Civil Affairs of the People’s Republic of China, the Ministry of Finance of the People’s Republic of China, the Ministry of Human Resources and Social Security of the People’s Republic of China, the National Healthcare Security Administration, the State-owned Assets Supervision and Administration Commission of the State Council, the Civil Aviation Administration of China, the Ministry of Transport, the Shanxi Provincial Department of Finance, the Tianjin Municipal Bureau of Finance, the Xiqing District Bureau of Finance, the Shaanxi Provincial Healthcare Security Administration, the Heilongjiang Provincial Healthcare Security Administration, the National Astronomical Observatories of the Chinese Academy of Sciences, the National Radio and Television Monitoring Center, the State Administration of Radio, Film and Television, the State Grid Data Center, the National Radio Monitoring Center, the National Emergency Command Center, the Detection Center of the China Meteorological Administration, the National Satellite Ocean Application Center, the Yellow River Station in Antarctica, the China Welfare Lottery Center, the Chongqing Welfare Lottery Center, the Great Wall Museum of China, the Political and Legal Committee of the CPC Hebei Provincial Committee, China Aerospace, the Government of the Macao Special Administrative Region, the Shanghai Municipal Commission for Discipline Inspection, the Harbin Healthcare Security Administration, the Anhui Provincial Earthquake Administration, the Anhui Provincial Supervisory Commission, the Beijing Municipal Planning Commission, the Palace Museum in Beijing, the Summer Palace in Beijing, the Forest Fire Prevention Command Center of the Beijing Municipal Parks and Greenery Bureau, the Land and Resources Information Center of the Yunnan Provincial Department of Natural Resources, the Beijing Economic Information Center, the Miyun District People’s Court of Beijing, the Nankai District People’s Procuratorate of Tianjin, the Dongli District Education Bureau of Tianjin, the Mentougou Science and Technology Museum of Beijing, the Public Resources Trading Center of Yuncheng City in Shanxi Province, the Human Resources and Social Security Bureau of Yixing City, the People’s Court of Gaozhou City, the Heilongjiang Provincial Museum, the Lintao Museum in Shandong Province, the Jiangxi Provincial Department of Human Resources and Social Security, the Yichun Municipal Government of Jiangxi Province, the Turpan Municipal People’s Government, the Tai’an Municipal People’s Government, the Hebei Provincial Healthcare Security Administration, the Yichang Fire Brigade, the Hefei Fire Brigade, the Yichang Intelligent Emergency Dispatch Center, the Yangqu County Government of Shanxi Province, the Fourth Railway Survey and Design Institute of China Railway, the Feng County Culture and Tourism Bureau, the Pengze County Sports Bureau of Jiujiang, China National Tobacco Corporation, the Sichuan Provincial Earthquake Administration, the Xinjiang Radio and Television Administration, the Tibet Healthcare Security Administration, the Tianjin Provincial Transportation and Port Administration, the Shanghai Astronomical Observatory of the Chinese Academy of Sciences, the Urumqi Electric Power Bureau, the Baoding Healthcare Security Administration, the Shunyi Commission for Discipline Inspection, the Macao Transport Affairs Bureau, the Xinyi Municipal Housing and Urban–Rural Development Bureau, the Inner Mongolia Autonomous Region Earthquake Administration, the Second Academy of China Aerospace, the Guangxi Emergency Command Center, the Traffic Police Corps of the Sichuan Provincial Public Security Department, the Kecheng Sub-bureau of the Quzhou Municipal Public Security Bureau, the Xi’an Railway Bureau, the Hohhot Railway Bureau, the Shijiazhuang Banknote Printing Works, the China Banknote Credit Card Company, and others.

The choice of numerous government agencies and enterprises underscores the high level of recognition for Beijing Zhongxin Chuang’s products and services. The company will continue to collaborate sincerely with partners across all sectors, jointly advancing both corporate growth and social value for a win-win outcome.