One-bit PDC bit
A word bit
Sintered body bit 94-2
Sintered diamond bit 175-4
Sintered diamond bit 75
Three-wing arc Angle diamond bit 134
Three-wing arc Angle diamond bit 94
Two - three - wing coal drill
Reaming drill bit 2
Reaming drill bit 1
Reaming drill bit
Two - three - wings of diamond bit
Tel:13376353979
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Add:Linqing City, Shandong Province, China