Hai Yan Sun

Shandong Gangtong Construction Co., Ltd. engages in the provision of engineering services. It involves in the highway, bridge, tunnel, municipal public works, mechanical and electrical, water conservancy, landscaping, urban rail transit, steel structure, environmental protection, and building demolition engineering, survey design, and technical consultation services. Its business scopes include maintenance of highways and urban roads; production and sale of ready-mixed commercial concrete; rental of billboards; and research and development, manufacture, and installation of traffic signs, metal light poles, anti-glare panels, and sound barriers. The company was founded on September 9, 2019 and is headquartered in Jinan, China.