Dongguan Metro Line 2 equips with 20 trains (120 cars) in all with a speed level of 120Km/h and light aluminum car body. The B25 series bolsterless bogie is used and the ride index of the metro trains meets 2.5. A fully-welded light monocoque aluminum structure without center sill is applied to the car body, completely meeting the required strength in EN12663. The whole train contains 332 seats with the maximum loading capacity of 1952 passengers.