Good passability and penetration ,complete inversion and coverage.Small draft resistance, easy operation and adjustment. Shandong Juwei Machinery Co.,LtdOur products include trailer(farm trailer and European trailer),disc harrow,disc plough,ridger,lawn mover,potato planter and harvester,spreader,rotavator,blade of harrow and plough etc.Our products are exported to Europe,Africa and America,cental ...