Reaming drill bit 2
Reaming drill bit 1
Reaming drill bit
Two - three - wings of diamond bit
The two wings of the diamond bit are 50 pieces of oil
Two wings of diamond bit 50
Diamond bit PDC bit -1
Diamond bit 75
Diamond bit 2
Diamond bit
Diamond sintered bit 75
Diamond three-wing bolt drill bit 26-28-30
Tel：13376353979
钻 杆：13932963512
钻 头：13376353979
Email：2011890901@qq.com
Add：Linqing City, Shandong Province, China
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