延榆高铁智能化轨枕厂开工建设

Group 1 - The construction of the intelligent sleeper factory for the Yan-Yu High-speed Railway has commenced [1] - The factory is located in Qingjian County, Yulin City, Shaanxi Province [1] - The factory is responsible for the prefabrication of 752,300 double-block sleepers for the entire Yan-Yu High-speed Railway line [1]