Heilongjiang Transport Development Co., Ltd., together with its subsidiaries, engages in the investment, development, construction, operation, and management of toll roads in China. The company is involved in the toll collection, operation management, and daily maintenance of the Harbin-Daqing Expressway. It also engages in road maintenance; sales of petroleum, cement, solar thermal utilization, solar thermal power generation, and charging pile products; investment activities; advertising; operation of road freight transport stations; motor vehicle charging sales; leasing services; real estate development and operation; and new material technology research and development. In addition, the company manufactures graphite and carbon products; provides parking services; manufactures and sells photovoltaic equipment and components; and provides information technology consulting, energy management, catering management, solar power generation technology, and engineering management services. Heilongjiang Transport Development Co., Ltd. was incorporated in 2010 and is headquartered in Harbin, China.