Which department is in charge of Qingdao subway?

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Qingdao started the subway project from 1987, and Qingdao Metro Company was formally established from 1994. The company is a wholly-owned state-owned enterprise directly under the Qingdao Municipal Government, focusing on the construction and management of Qingdao subway and developing diversified businesses focusing on property development along the subway. The company has more than 80 employees, 80% of whom have bachelor degree or above, 40% have senior technical titles, complete professional structure and long-term experience in subway engineering construction and management. The company has two wholly-owned subsidiaries, Metro Industrial Company and Metro Real Estate Development Company, and a holding Sino-foreign joint venture: Qingdao Yiqun Underground City Development Co., Ltd. Qingdao rapid rail transit network is planned as "four lines and one ring", with a total length of 1 10 km, with 80 stations and 4 depots. Qingdao city, especially the old city, has a long and narrow strip layout from north to south, and the north-south traffic is the busiest and most crowded traffic trunk road in the city. Therefore, the southern section of 1 line (north-south line) was identified as the first phase of the project. The first phase of the project has a total length of 1 6.43km, with 3 stations 1 car depot1car, command center1car and 2 main substations.