China railway 15 bureau group co., LTD., formerly known as the Chinese people's liberation army (PLA) railway corps fifth, six et.al. After the fifth division, in January 1984 in the state council and the central military commission, ordered the collective turned into the ministry of railways, referred to as the ministry of railways bureau; 15 In December 1999 with the ministry of railways decoupling as China railway 15th bureau; In April 2001, officially changed its name to China railway 15 bureau group co., LTD. China railway 15 bureau group co., LTD. Is a world 500 strong 58th CRCC's infrastructure powerhouse, is a set design, construction, scientific research as one of the state-owned construction engineering general contracting enterprise, Shanghai's first railway engineering construction general contracting, highway engineering construction general contracting, municipal utilities engineering construction general contracting, construction engineering construction general contracting of four super enterprise, with railway industry design (Ⅱ) levels at the same time, the design of highway industry grade a engineering design class-a qualification, municipal industry, construction engineering design class a and class I national water resources and hydropower engineering construction general contracting, and bridge engineering, tunnel engineering, highway road, highway roadbed, railway track-laying frame beam and first-rank professional contracting qualification, have a professional contracting qualification, geological disaster management in urban rail transit engineering grade-a blasting operation department, commercial license level qualification, with foreign economic cooperation business qualification.