... .working width:2000mm 2.working depth:140mm 3.disc diameter:560mm Offset harrow working width: 2000mmworking depth:140mmqty of disc:18dia.of ... technicians.We mainly produce with the brand of Qingquan:disc harrow,disc plough,share plow, rotary tiller,potato planter,potato harvester ... each specification and 300,000 pcs of plough discs and harrow discs. They are exported to more than 66 countries and ...