Sep. 18 morning, a number of railway equipment- Electric rail grinding machine was formally loaded in China Coal Group Industrial Park after inspection and would be sent to a railway construction project of Vietnam. The electric rail grinding machine of China Coal Group is suitable for the grinding of 43 kg/m - 75 kg/m rail welding line, uneven joints, rail side fat edge, rail surface repairing parts, etc, and has the advantages of high working efficiency, good quality and simple operation, which is necessary for railway maintenance.