... factories,3exportation base in china,entitled Chinese Agricultural machinery and Rotary Tilllage Machinery Society Vice Director Unit and the Director Unit ... .The quality series products produced as rotary blades,stubbing blades,swing blades,mower blades,toplink,pto shaft,gears,spline shafts,and combine ... .370.50-0.80≤0.250.0350.035 K18 tiller blade