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CRH2型电力动车组是原中国铁道部为铁路第六次大提速中开行时速200公里列车于2004年起订购的电力动车组型号之一，由日本川崎重工基于新干线E2系研制并生产样车，通过技术转移、引进吸收后实现国产化，由青岛四方机车车辆股份有限公司继续生产的干线动车组，最高设计时速250 km/h。CRH2系列自2006年开始生产，至2017年停产，累计生产537组，其中CRH2A 120组，CRH2A统型369组，CRH2A综合检测车1组，CRH2B 10组，CRH2B统型17组，CRH2E 20组（其中1组改造为CRH2J），折合584标准组。
CRH2A EMU Train was born in March 2006, belongs to the CRH2 series, 4M4T in marshalling, the hole length is 201.4 m, has a maximum design speed of 250 km/h, and 292 km/h in the experiment .
CRH2A CIT EMU Train was born in January 2007, belongs to the CRH2 series, 4M4T in marshalling, the hole length is 201.4 m, has a maximum design speed of 250 km/h, and 300 km/h in the experiment .
CRH2B EMU Train was born in . 2008, belongs to the CRH2 series, 8M8T in marshalling, the hole length is 401.4 m, has a maximum design speed of 250 km/h, and 275 km/h in the experiment .
CRH2E EMU Train was born in September 2008, belongs to the CRH2 series, 8M8T in marshalling, the hole length is 401.4 m, has a maximum design speed of 250 km/h, and 275 km/h in the experiment .
CRH2A (Standardized Version) EMU Train was born in September 2013, belongs to the CRH2 series, 4M4T in marshalling, the hole length is 201.4 m, has a maximum design speed of 250 km/h, and 275 km/h in the experiment .
CRH2J EMU Train was born in June 2015, belongs to the CRH2 series, 4M4T in marshalling, the hole length is 201.4 m, has a maximum design speed of 275 km/h, and 300 km/h in the experiment .
CRH2B (Standardized Version) EMU Train was born in November 2017, belongs to the CRH2 series, 8M8T in marshalling, the hole length is 401.4 m, has a maximum design speed of 250 km/h, and 275 km/h in the experiment .
CRH2A (Freight) EMU Train was born in April 2024, belongs to the CRH2 series, 4M4T in marshalling, the hole length is 201.4 m, has a maximum design speed of 250 km/h, and 275 km/h in the experiment .