China Focus: Tunneling machine highlights rise of Chinese manufacturing

ZHENGZHOU, Nov. 8 (Xinhua) -- In Zhengzhou, central China's Henan Province, an advanced tunneling boring machine (TBM) rolled off a production line this week, ready to be deployed for the construction of an underwater branch of Beijing Subway Line 1.

The device, with an innovative stone handling system, can realize continuous tunneling, precise screening and mechanical transport of boulders -- offering a breakth