... factories,3exportation base in china,entitled Chinese Agricultural machinery and Rotary Tilllage Machinery Society Vice Director Unit and the Director Unit ... quality series products produced as rotary blades,stubbing blades,swing blades,mower blades,toplink,pto shaft,gears,spline shafts,and combine parts ... .17-0.370.50-0.80≤0.250.0350.035 rotary tiller blade