Chongqing City Transportation Development & Investment Group Co., Ltd is a large state-owned municipal key enterprise, approved by the People’s Government of Chongqing, which is in charge of financing, construction and operation for public buses, rail transit, transportation hubs, railways, airports etc. of Chongqing. It aims at public transportation integration, implements public transit priority development strategy and offers a convenient, safe, comfortable and efficient public transit system. Public transportation infrastructure and the services have been improved these years. So far, with total assets of more than 182 billion 300 million yuan, it consists of 4 major subordinate companies, namely the Bus Group, the Rail Transit Group, the Traffic Hubs Group, and the Railway Group, 90 joint ventures, holding companies as well, such as the Rail Transit Industrial Investment Co. the only vocational college. The Group operates 10,000 buses and more than 213 km in total, ranking first in the west and fifth in china, serving more than 7 million citizens every day.