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