Zhengping Road & Bridge Construction Co., Ltd. engages in the investment, construction, manufacturing, operating, and maintenance of infrastructure sector in China. It focuses on the development of transportation construction, water conservancy construction, urban, cultural, and electric power. The company also operates roads, traffic safety facilities, and road construction projects, as well as engages in the processing and selling of gravel and asphalt mixture; road greening maintenance; highway engineering construction; equipment leasing; traffic engineering and facility maintenance; bridge overhaul; tunnel reinforcement and maintenance; road pavement maintenance; and other services. In addition, it is involved in designing, engineering survey, project feasibility study report preparation, testing, and technical consultation services. The company was founded in 1993 and is based in Xining, China.