China railway construction began in the end of the Qing Dynasty, after more than a century of construction and development, by the end of 2016, the total mileage of the Chinese railway was 124 thousand kilometers and the world was second, of which 25 thousand km of high speed railway was the first in the world, and the rate of railway complex line and the rate of electric gasification were 54.9% and 64.8%, respectively.

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