The trains are produced by Japanese manufacturer Hitachi whose engineers are giving a final test before shipment.
Each train will have three carriages with a total length of 61.5 meters. It can carry 930 passengers, including 147 seats and 783 standings, operating speed of 110 km/h on elevated sections and 80 km/h in underground sections. They will be full six-carriage trains in the future.
The shipment is behind schedule because of the novel coronavirus outbreak.