China Railway's continuous daily limit is in line with the strategic plan and goal of "One Belt, One Road" proposed by China at present. The "One Belt, One Road" concept stock represented by infrastructure, China Railway is the leading stock, and its daily limit has driven the rapid rise of the whole sector.

the "one belt, one road" plan promulgated by the national strategy is an inevitable choice for China to solve the problem of industrial excess capacity, obtain resources, explore strategies to further enhance national security and lead regional economic and trade, which is of great significance to the scientific development and open development of the transportation industry.

to strengthen the construction of the "Belt and Road", it is necessary to speed up the construction of infrastructure interconnection with neighboring countries and regions, which is an important part of the opening-up pattern. These strategies will be concretized into Unicom projects in infrastructure fields such as roads, railways and shipping, which will bring huge market opportunities for China contracted engineering enterprises. The following are the concept stocks of engineering infrastructure industry: China Railway (6139), China Jiaojian (618), Shanghai Construction Engineering (617), China Railway Construction (61186), etc.