Longjian Road & Bridge Co., Ltd. engages in the construction of roads and bridges. Its business includes highway construction, tunnel engineering, metro engineering, engineering design, municipal public works construction, highway roadbed engineering, highway pavement engineering, highway bridge engineering, and highway design. The firm projects are road construction, bridge engineering, municipal airport, tunnel, and subway. The company was founded on January 1, 1983 and is headquartered in Harbin City, China.