According to the regulations of China Railway Corporation, a child aged between 130 and 150 centimeters (51-59 inches) is considered an adult for fare purposes. Therefore, they are not eligible to use a children’s ticket (亲子票).

For travel on high-speed trains, passengers must show their ID card or passport at the time of purchase, which may impact the age classification.

For more information and specific regulations, please check with China Railway Corporation or visit their official website (www.chinarity.gov.cn).