哈大铁路客运专线

哈大铁路客运专线是世界首条在高寒地区建设的设计时速350公里的高速铁路。中交二公局负责47.806公里土建工程及双线113.817公里无砟轨道板预制和铺设，预制架设900吨箱梁1150孔，预制铺设无砟轨道板46269块。哈大铁路项目荣获火车头奖杯。

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.