This transportation system consists of 1300t electric flatcars and 1520t electric shuttle flatcars. It is a product developed for special customer process flow and occupies an important position in the customer process flow. It replaces outdated production processes and achieves feeding, control, and unloading in stages and batches. This flat car is maintenance free and can achieve smooth handling of 1300t materials, shuttling horizontally and vertically in the workshop; Accurate positioning of the entire vehicle, with track crossing accuracy controlled within ± 0.5mm. The whole vehicle is designed with silence, and the noise is controlled within 45 decibels. The noise during no-load and heavy-duty operation of the flat car is reduced by more than 50% compared to traditional equipment. The design of each component of the flat car takes into account the functions of inspection and maintenance during the process operation, making the maintenance of the wheel group and driving device extremely convenient.