... plough disc, harrow disc, disc blade, plough blade, disc plough blade, disc harrow blade, plough disc blade, harrow disc blade,notched disc blade, notched plough disc,,notched harrow disc,agricultural disc ... with the brand of Qingquan:disc harrow,disc plough,share plow, rotary tiller,potato planter,potato harvester,cultivator,subsoiler,seeder,box blade,ridger ...