The CRH2 train series transformed China's high-speed rail from imported technology to domestic innovation.

Society · Published 9 October 2026 Swipe more like this →

In short: Starting as a licensed Japanese Shinkansen design, the CRH2 evolved into a diverse fleet of high-speed trains. From specialized cold-resistant models to luxury moving hotels with capsule-style sleepers, this platform became a cornerstone of China's rapid railway expansion, eventually reaching speeds that far exceeded its original imported specifications.

The CRH2, known as Hexie or Harmony, began in 2004 when China's Ministry of Railway purchased 60 train sets from a Japanese consortium led by Kawasaki Heavy Industries. These initial CRH2A models were based on the E2-1000 Series Shinkansen, designed for a maximum speed of 250 km/h. While the first three sets were built in Japan, the project quickly shifted toward domestic production through technology transfer, with CSR Sifang Locomotive and Rolling Stock assembling the subsequent units.

As China pushed for higher speeds, the platform underwent significant engineering overhauls. The CRH2C stage one, unveiled in 2007, was modified to reach 300 km/h, while the stage two version was redesigned to handle 350 km/h. These upgrades included structural changes like increased bogie axle weight, optimized gear ratios, and advanced noise reduction techniques. By 2008, the CRH2-380 project was launched to develop next-generation trains capable of 380 km/h, using the CRH2 as a fundamental platform for the CRH380A.

Beyond speed, the CRH2 platform diversified to meet specific operational needs. The CRH2B and CRH2E variants introduced 16-car configurations, with the latter offering sleeper berths for overnight travel. A 2017 update to the CRH2E transformed the interior into a moving hotel, featuring private capsule-style compartments. Other specialized versions include the CRH2G, engineered to withstand extreme cold and sandstorms, and a modified CRH2A converted into a high-speed freight train following a 2022 derailment.

The development of these trains was a massive undertaking, involving over 50 academics, 600 contractors, and 150,000 technicians. Supported by a 15 billion CNY loan from the China Development Bank in 2006, the project moved from simple assembly to complex indigenous design. Today, the CRH2 remains a vital component of the national network, serving diverse routes from the Beijing-Tianjin intercity line to the harsh environments of the Lanzhou-Xinjiang high-speed railway.

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