哈大鐵路客運專線是世界首條在高寒地區(qū)建設的設計時速350公里的高速鐵路。中交二公局負責47.806公里土建工程及雙線113.817公里無砟軌道板預制和鋪設，預制架設900噸箱梁1150孔，預制鋪設無砟軌道板46269塊。哈大鐵路項目榮獲火車頭獎杯。
　　The Harbin-Dalian Passenger Railway is the first high-speed railway built in the cold region in the world with a design speed of 350km per hour. CCCC Second Highway Engineering Co., Ltd. is responsible for 47.806km of civil engineering, the ballastless track slab prefabrication and laying of and 113.817km of double-track ballastless track slab, prefabricating and erecting 900 tons of box girder 1150 holes, and prefabricating and laying 46269 pieces of ballastless track slab. Harbin-Dalian Railway won locomotive trophy cup.