... /km, 0.12mm----13.0yuan/km1,Saving materials 2,Cutting precision 3,Cutting speed 4,No collapse 5,Reduction of environmental pollutionDiamond ... , it can reach 90%, saving material greatly.2,Cutting precision Accuracy of cutting material can be achieved, and the surface is smooth ... can be avoided easily give rise to the inner circle cutting edge or the bottom of the crack.5,Reduction of environmental ...