4. novembra je prvi predor v provinci-predor Xiao Ling, ki ga je zgradil Shandong High-Speed ​​Road in Bridge Group, končal vsa dela. To je še en mejnik infrastrukturni projekt Zibo Jixiang.

Xiaoling tunnel is located in the middle of the south extension project of East Second Ring Road, crossing the Xinglongshan in the middle area of ​​the city, connecting the north to the north of the tunnel, connecting the south to the south through the Xiaoling separation and connecting the Tai Ling Tunnel, the two-way eight-lane separation road Tunnel, left line, right line length of 1000 meters, net width of 17.6 meters, the province of similar tunnel in Največji prečni prečni avtocestni tunel. Izvajanje varnega prehoda v predoru Xiaoling.

Ta postopek gradnje tunelov, Zibo Jixiang z dvema nizoma betonske mešalne naprave, dva meseca pred načrtom kot prvotni načrt za dokončanje celotnega postopka betona, je praksa dokazala: Zibo Jixiang Oprema Učinkovita proizvodnja, stabilna in zanesljiva zmogljivost.