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By certification 
Drilling Tool
LUHAI PDC bits are designed professionally for different formations to meet with various drilling applications. ROP and durability improvements are ensured by advanced cutting structure layouts, high performance PDC cutters and superior hydraulic design.
LUHAI PDC bits are designed professionally for different formations to meet with various drilling applications. ROP and durability improvements are ensured by advanced cutting structure layouts, high performance PDC cutters and superior hydraulic design.
