On April 16th, China Railway Shanhe No.32 shield machine passed the acceptance inspection and was delivered to China Railway Guangzhou Engineering Bureau Group Co. The shield machine will be used in the construction of Dongguan Railway Line 1. At that time, four sets of CRSH shield machines will be concentrated in the construction of Dongguan Railway Line 1, and the influence of CRSH in the field of Dongguan shield construction will be further strengthened.

Shield machine No. 32 of China Railway Shanhe is a composite shield design, with a maximum diameter of 6.98 meters, and a composite cutter structure, which can be configured with a roller blade/tear blade according to the actual situation. It will be delivered with the other three sets of China Railway Shanhe shield machine to help the construction of Dongguan Railway Transportation Line One.

Dongguan Rail Transit Line 1 is a city fast trunk line from northwest to southeast, and is a fast transportation line connecting Dongguan to Guangzhou and Shenzhen rail transportation network. The line connects with Guangzhou and Shenzhen urban rail network to promote regional cooperation between Dongguan and Guangzhou and Shenzhen; internally, the line connects the northwest cluster, the center cluster and the southeast cluster, and strengthens the traffic connection between the clusters and the central city as well as the towns (parks) along the line.