(130301) -- HUZHOU, March. 1, 2013 (Xinhua) -- Construction workers and engineers examine rail tracks in the Huzhou Railway Station in Huzhou, east China's Zhejiang Province, March. 16, 2012. The 150-kilometer Hangzhou-Ningbo high-speed railway linking Hangzhou and Ningbo, two hub cities in Zhejiang, commenced its integration test here on Friday. Once put into operation on July 2013 as expected, the high-speed railway that designed at a top speed of 350km/h, would reduce the travel time to 36 minitues, a quarter time of the current two-hour journey. (Xinhua/Tan Jin) (cxy)