After winning the bid of Hainan East Circle Line construction, system integration of subgrade of Wuhan-Guangzhou Line and Zhengzhou Yellow River Rail/Road Bridge construction, China Railway Group Limited got the bid of Harbin-Dalian Dedicated Passenger Line TJ-1 Sign Section construction. Main line length is 376.9 kilometers. Contract price is 21.87 billion Yuan and its construction time limit is 66 months. It is the biggest single railroad construction contract which was signed this year.