Founded in 1958, Zhongtong bus has been specializing in the production of buses since 1971, and successfully listed in Shenzhen in 2000. It is one of the earliest bus manufacturers and bus listed enterprises in China. At present, the company has a total assets of 15 billion yuan, nearly 5000 employees, a plant area of 934000 square meters, 2000 sets of main production equipment (sets), a modern production line with international leading level, and an annual production capacity of 30000 energy-saving and new energy buses. The company has the first state-level laboratory, state-level technology center and postdoctoral research workstation in the bus industry, and is the only enterprise in the bus industry in China that undertakes three major national "863" projects. At present, the company's product system covers 6-18 meters, including road passenger transport, public transport, tourism, group, high-end business, school bus ,etc. It has a strong market competitiveness and is sold well in more than 100 countries and regions in the world. In August 2018, the actual controller of the company was changed to Shandong Heavy Industry Group Co., Ltd. Shandong Heavy Industry Co., Ltd. is an international industrial equipment group with the whole vehicle as the leader and the power system as the core. It has a series of famous domestic and foreign commercial vehicle brands, such as Weichai Power, Shaanxi heavy automobile, fast gearbox, hande vehicle bridge, etc. In 2018, the group's operating revenue reached 280 billion yuan, with a total profit of more than 20 billion yuan, overseas business revenue accounting for 40%, and more than 80000 employees worldwide.