The two wings of the diamond bit are 50 pieces of oil
Two wings of diamond bit 50
Diamond bit PDC bit -1
Diamond three-wing bolt drill bit 26-28-30
Diamond anchor bit
Diamond two-wing bit 42
Diamond composite bit PDC bit
Diamond closed bit 94
Diamond closed bit
Diamond PDC bit
PDC bit
Tel：13376353979
钻 杆：13932963512
钻 头：13376353979
Email：2011890901@qq.com
Add：Linqing City, Shandong Province, China
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