The world ' s largest top-slewing tower crane , W12000-450 , has rolled off the assembly line at the intelligent tower crane manufacturing base of Zoomlion Heavy Industry Science & Technology Co . in Changde , Hunan Province . Zoomlion especially designed and built the model for the world ' s largest road-rail cable-stayed bridge project , the Changzhou-Taizhou Yangtze River Bridge integrating an expressway , ordinary highway and intercity railway .

Image Credit : Zoomlion

10 December 2021