... bogie components. The workshop area is 1440 with two repairing lines separately for big parts including frame, bolster, split, etc ... machine, tri-dimension measurer, etc.. The repairing line for small parts is deployed 8 pcs of special facilities ... and frocks including spring defectoscope, fluorescent magnetic particle defectoscope for hangers, ultrasonic defectoscope, set-in pressure machine, etc.. ...