... 100% virgin raw material 2.ISO9001 3. For coal industry, etc 4.From state-owned company ApplicationRecommend GradeTBM ... YG13C, YG15CMatrix of PDCG215, G216, G210, G413, G214Iron ore crusher drill bitsG215, G216, G210, G413, G215DTHG206, G206H, G208, G306, ... drill bit insertsYG10CCutter toolYG10CUse in buildingB30, B35, B40, B45Planer tool; Milling cutterB30, B35, B40, B45 Hi-quality tungsten ...