Where is the Jinyuan Tunnel Project Department?

Haidong city, Qinghai province. Jinyuan Tunnel Project is located in Haidong City, Qinghai Province. Design and construction according to the standard of secondary highway, with one hole and two lanes. The entrance of the tunnel is located in Sangjiawu Village, Jinyuan Tibetan Township, and the exit is located in Anguangou, Chuma Township, with a total length of 2,965 meters. The entrance of the tunnel is end wall type, and the surrounding rock of the tunnel is Grade V..