Alstom will supply its OptOnix traction system, which is designed for the Chinese market. OptOnix includes traction motors, inverters, and auxiliary converters and features regenerative electrical braking. The cars will be formed into eight-car trains.

The equipment will be manufactured by the Shanghai Alstom Transport Electrical Equipment (Satee) and Chengdu Alstom Transport Electrical Equipment (Catee) joint venture, with support from Xi’an Alstom Yongji Electric Equipment, and Alstom in Europe.

Satee previously provided traction equipment for 750 cars for Chengdu metro’s lines 3 and 4.