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????Subway line 11 adopts type B train, stainless steel drum-shaped train, each group has 4 trains, the max loading capacity is about 1,200 people, and the max speed is 120km/h, which is the highest speed in domestic subways. What should be mentioned is, the train can be powered by battery, and the distance can exceed 300 meters. That is incredibly helpful in entering/exiting the subway section and short-distance traffic in mainline. “The train body is made of high-performance and painting-free stainless steel. Its life can be 30 years. And it has advantages such as high-density, corrosion-resist and eco-friendly.” According to Qingdao Subway Group deputy chief engineer Luo Qingping, what should be mentioned is, the train body adopts advanced laser welding technology, which not only enhances tightness and the overall strength of the car body, but also enables more smooth body and more beautiful appearance. (Zhou Jianliang) [Photo: train of subway line 11 The 1st subway line 11 train was placed by Fu Xuejun]