PDC bit/ PDC concave drill bit/ PDC arc pillar bit/ PDC blade bit /PDC drag bit PDC rib core drill bit/ PDC core drill bitDiameter:60,65,75,94,113,133,153,190mmused for geology exploration hole,Gas drainage hole,Emissions holesPDC bit consists of PDC... More
Zhengzhou LD Diamond Products CO.,LTD.
Main Products: PDC cutter, PDC coal mining bit, PDC drill bit, diamond grinding wheels... More