... end bit, overlays, side cutters), bucket, cylinder, bolts and nuts and so on, which applied for CAT, KOMATSU, HITACHI, DAEWOO, ... parts for excavator and bulldozer,such as:sprocket,track shoe,top and bottom roller,bolt and nut,tension device,idler,track link ... OTR tyre etcHuhui advantage:experienced in exporting undercarriage parts and other construction machinery parts.excellent reputation in this line ...