External offices have been set up in more than 10 provinces and cities, such as Qingdao, Linzi, Binzhou, Qingzho
External offices have been set up in more than 10 provinces and cities, such as Qingdao, Linzi, Binzhou, Qingzhou, Tangshan, Changchun, Dongying, Baoji, to provide customers with transport services for chemical, building materials, coal, mineral powder and other cargo.