... .ISO9001 3. For coal industry, etc 4.From state-owned company ApplicationRecommend GradeTBM cutterG215, G216, G210, G413, G211, YJ0, YJ0.1 ... .1, YJ2.1R, YJ2.2RWear-resistance tool used in miningYG6Impact drill bit insertsYG10CCutter toolYG10CUse in buildingB30, B35, B40, B45Planer tool; Milling cutterB30, B35, B40, B45 ...