NIN Construction machine division is one of leading company in the supply of track roller, carrier roller, idler, sprocket, track link ect for earthmoving machinery (excavator, bulldozer,crane), including for many well-known brands KOMATSU, CATERPILLAR,HITACHI, DOOSAN,DAEWOO, KOBELCO, SUMITOMO, VOLVO, HYUNDAI, JCB, LEBHERR, SANY, ZOOMLION, XCMG ect.