C70 opten-top wagon is mainly used in delivering bulk good such as coal, ... open-top car is the symbolic product of wagon of 70 ton grade,the wagon's body is welded structure fully made ... ,coiled materials,timber and containers,etc.On both sides of wagon's body,there are 2 pairs of middle side doors ... of E class steel and MT-2 draft gear. The wagon adopts Type K6 bogie. Type C70 universal open-top ...