Teheran Urban and Suburb Railway Corporation ordered 217 Metro Vehicles manufactured by Changchun Car Company for Tehran Metro Line 1 and Line 2 on Mar.23.1995.

Teheran Line 2 (East-West) is all under the ground and served by 19 railway stations with a whole length of 19.7 km and max. gradient is 35‰. The railway line and steel track comply with UIC standard and the track gauge is 1435mm. The nominal supply voltage is 750 VDC and adopts third-rail current collecting mode. Carbody steel structure is whole bearing thin-shelled cylindrical welding structure with its strength complying with some developed country's standard. High-grade paints are applied to its outside, Interior and exterior modeling are carefully designed by art-designer, with bright and beautiful color and tone. All materials satisfy the nonflammable or non-combustive requirements, fireproof performance is increased. Latest techniques or research achievements are applied to door, window, seat, wall plate, ceiling, floor, handrail, draft board, illumination, ventilation system, heating system, public address system, etc. to make sure that the passengers have a safe and comfortable environment