At 5: 38 on April 18, 2007, the "Harmony" EMU D460 train with a speed of 200 kilometers per hour departed from Shanghai Railway Station for Suzhou. This is the first officially opened EMU in China, and it is also the prelude to the sixth large-scale speed increase of national railways.

On August 1 2008, the first high-speed railway with independent intellectual property rights and world-class level in China, the Beijing-Tianjin Intercity Railway, was officially opened to traffic. Subsequently, high-speed railways such as Wuhan-Guangzhou, Zhengxi, Shanghai-Nanjing, Shanghai-Hangzhou and Beijing-Shanghai were completed and opened to traffic.