our Rotary Colter factory,a mid-scale enterprise inmulti-projectbusiness and mainly in production fo cutters ofrotarycultivator,is engaged in developing and resear-ching thespecialproducts of the bit tool series so that,as a specialplant,bladeshe prod-uces is the most complete in variety in ourRotary Colterfactory,a mid-scale enterprise in multi-projectbusiness and mainlyin production fo cutters of rotary cultivator,isengaged indeveloping and resear-ching the special products of thebit toolseries so that,as a special plant,blade she prod-uces isthe mostcomplete in variety in... C-shapedTillerBlade material:60Si2Mn or 28SiMnBhardness:38--48HRCcoating:stoving varnish color :black ,blueetc