Zhang-Tang railway has been planned for a total length of 528 km with 17 stations, 174 bridges with a total length of 137 km, and 85 tunnels with a total length of 230 km. 65% are the bridges and tunnels. As the first phase project of the fourth grand energy channel (Erdos-Caohuidian Port of Tangshan, a total length of 1000 km) Zhang-Tang railway take the goods transport as the main business with passenger transport taken into account. It has been put into operation since December 30th 2015. This post-station project main includes a number of stations operating facilities. The content Winsion has undertaken in this project includes: public security management information systems, routers, three lays switches, procurement, debugging and maintenance of cabinets.The completion and operation of Zhang-Tang Railway plays an important role and strategic significance for China's energy output and reserves. Winsion staffs have whole-heartedly contributed with their own efforts to the construction of this railway with a serious, responsible, honest, rigorous and efficient work attitude.