On March 19, "ZPMC 23" set sail from Changxing Branch, carrying 8 sets of rail cranes of Long Beach, marking the smooth delivery of the last batch of equipment of the automation project in Long Beach of the United States. 

There are 22 rail cranes in the Project, which started in April 2018. During construction, the project team has overcome the difficulties of COVID-19, bad weather, insufficient capacity, and short manpower during the Spring Festival holiday.