China's cold-proof trains to withstand sharp temperature changes (4)

（Xinhua）  08:35, November 29, 2012

With 23 stops along the route, including the renowned industrial base Shenyang city, the line will cut traveling times between the two cities to about four hours from nine hours.

China aims to create a high-speed railway backbone network featuring four east-west lines and four north-south lines by the end of 2015.

The country now has more than 6,800 km of high-speed railway lines on which trains run at a speed of 200 km per hour or above. The length of the high-speed lines is expected to reach 18,000 km by 2015.