Heilongjiang Transport Development Co., Ltd. invests in, develops, constructs, operates, and manages toll roads in China together with its subsidiaries. Its activities include toll collection, operation management, and daily maintenance of the Harbin-Daqing Expressway, as well as road maintenance. The company also operates in areas such as petroleum and cement sales, solar thermal utilization and power generation, charging pile products, advertising, road freight transport stations, motor vehicle charging sales, leasing, real estate development and operation, and new material technology research and development. In addition, it manufactures graphite and carbon products, provides parking services, manufactures and sells photovoltaic equipment and components, and offers information technology consulting, energy management, catering management, solar power generation technology, and engineering management services. Incorporated in 2010, the company is headquartered in Harbin, China.