Column tooth bit
One-bit PDC bit
A word bit
Five-jaw coal drill 1
Five-jaw coal drill
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
Coal drill
Two - three - wing coal drill
Tel：13376353979
钻 杆：13932963512
钻 头：13376353979
Email：2011890901@qq.com
Add：Linqing City, Shandong Province, China
简体中文
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