New achievement added! Chongqing Yonggui contributes to the opening of China's first "conventional fully automatic + vehicle-to-vehicle communication" subway line

At 10:00 a.m. on December 16,2025, Chengdu Metro Line 30 Phase I officially commenced initial operations. This east-west rail artery, spanning four key districts—Shuangliu, Chengdu Hi-Tech Zone, Jinjiang, and Longquanyi—has not only enhanced Chengdu's metro network but also marked a milestone in China's urban rail transit smart operations. As the nation's first metro line to adopt "conventional fully automated + vehicle-to-vehicle communication" technology, it signifies a new era of intelligent urban rail systems.

As a key player in this major project, Chongqing Yonggui Traffic Equipment Co., Ltd. leveraged its technical expertise and reliable product quality to deliver the critical tunneling system, ensuring safe and comfortable operations for the route.

Project Overview: Chengdu Rail Transit "Key Trunk Line"

The first phase of Chengdu Metro Line 30 spans 27.96 kilometers with 24 underground stations, enabling seamless transfers to six existing lines. Running east-west through the southern urban area, this route establishes an efficient three-dimensional transportation network integrating aviation, metro, and rail systems, significantly advancing the integrated operation and service upgrades of the city's comprehensive transportation hub.

As China's first metro line to adopt the' conventional fully automated + vehicle-to-vehicle communication 'technology, Line 30 has achieved significant breakthroughs in operational efficiency, safety, and intelligent systems, further demonstrating the nation's innovation capabilities in urban rail transit.

Chongqing Yonggui: Professional Empowerment, Safeguarding Every Journey with Smooth Connection

As a critical component connecting subway carriages, the through-passageway directly impacts train safety and passenger comfort. Leveraging years of technical expertise and proven project experience in rail transit equipment, Chongqing Yonggui Traffic Equipment Co., Ltd. has delivered a high-performance, highly reliable through-passageway system solution for Chengdu Metro Line 30.

The company's technical team has conducted specialized optimizations for the passageway's airtightness, sound insulation, fire safety, and durability, tailored to the operational characteristics of the route and vehicle formation requirements. These improvements ensure outstanding connection stability and ride comfort even in fully automated operation modes, meeting the demands of high-frequency, high-capacity passenger flows.

Technology leads the way to serve the future of urban mobility

Chongqing Yonggui has consistently driven product upgrades through technological innovation, actively participating in major rail transit projects both domestically and internationally. Its successful service for Chengdu Metro Line 30, a landmark project, once again demonstrates the company's professional expertise and market reputation in critical rail transit equipment such as tunneling systems.

A company spokesperson stated: "We are deeply honored to contribute to the nation's first metro line featuring' conventional fully automated + vehicle-to-vehicle communication.' Chongqing Yonggui will continue to focus on technological R&D and quality enhancement of rail transit equipment, providing safe and reliable connectivity solutions for smart transportation infrastructure in more cities."

The launch of Chengdu Metro Line 30 will significantly enhance connectivity in the southern urban area, making travel more convenient and efficient for residents. Chongqing Yonggui Traffic Equipment Co., Ltd. will seize this opportunity to further expand its presence in the metro sector, contributing to the high-quality development of China's urban rail transit network through premium products and services.

Photo source: CRRC Chengdu 

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