National road 109 from Sishilidian to Helan starting in pile No. K1211+860 at the cross of National Highway 109 and County Highway 108, ends in pile No. K1221+540, 200m northern at the cross of National road 109 and Yihu road in Helan county. The total length of the rproject is 9.68km. The project adopts the second-level highway standard with a design speed of 60km/h.

Our company won the bid to construct this project from 2015 to 2016, with the contract cost of 27.23 RMB.