9-27-20, “Jinghua” 京华号 extra-large diameter shield machine rolled off the production line in Changsha.
The shield machine is 150 meters long, weighs 4,300 tons and has a maximum excavation diameter of 16.07 meters.
This is China’s largest diameter shield machine developed so far, it will be involved in the construction of the sixth ring of the East Beijing reconstruction project after delivery.