Guiyang LinZhi (South Lindai to Zhijin) railway was officially opened recently. Its control project, Najie River Bridge, was fabricated by CRBBG.

Located at the boundary of Qingzhen city and Zhijin county in Guizhou province and spanning Wujiang River, Najie River bridge is a single-track railway bridge with the longest span and maximum height in the world. With the overall length of 810m, the main span of 352m and the weight of steel girders of 9,047 tons, it is a deck type X-shaped steel truss arch bridge with integral panel points.