The world's first autonomous rail rapid transit system: Zhuzhou Intelligent Rail Express A1 line.
The railway running on the highest altitude in the world: Qinghai-Tibet Railway
The largest scale of an urban rail transit network in the world: Shanghai Urban Rail transit
The longest mileage of urban rail transit in the world: Beijing Urban Rail Transit
The largest assembly of Rail transit core system in the world: CRRC Zhuzhou Locomotive Co., Ltd.
The trains of the world's highest speed with a speed of 486.1 kilometers per hour: Beijing-Shanghai High-Speed Rail
The world's first high-speed rail through Alpine seasonal frozen soil area: Harbin to Dalian High-Speed Rail
The world's longest operating mileage of high-speed rail systems across the temperate zone and subtropical zone with a variety of topographic features and numerous rivers: Beijing to Guangzhou high-speed rail
The world's longest construction of high-speed rail, crossing the desert and windy areas: Lanzhou to Urumqi High-Speed Rail
The world's first high-speed railway in a tropical island: Hainan High-Speed Rail
The heavy-duty freight railway with world's largest annual capacity: Datong to Qinhuangdao Railway
The longest-running railway across the desert: Urumqi to Kashgar, Baotou to Lanzhou Railway
Railways across the mountains: Nanning to Kunming Railway, Chongqing to Huaihua Railway
Source from rednet