The 140km/h 25kV ac trains will be formed of two powered and two unpowered vehicles.

The first trains will be delivered in 2015 and the remainder of the fleet is due to arrive in time for the inauguration of the initial 51.9km section of the east-west Line S1, which is due to open in March 2017.

When complete, the four-line Wenzhou City Railway network is expected to reach more than 300km.