There are brands such as Shaoshan, Dongfeng, Beijing and Harmony Electric Appliances. Cars are generally divided into manufacturers, such as Changchun Bus Factory and Puzhen Vehicle Factory. EMU is generally named after "No.",such as Pioneer Harmony, in which there are several models of Harmony, which are produced by different manufacturers at home and abroad. On the brand, in China Railway, it is generally not very important, just say the model directly.