Material:
Usage:
Feature:
ISO9001
Nq Conventional Tanged Locking Coupling for Wireline Core Barrel Component
QINGDAO WANDA FORTIS CO., LTD.High Quality China Factory 4inch High Air Pressure DTH Hammer for Mining Compatible with Bit Shank Cop44, DHD340, Ql40, Mission40, SD4
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SHANDONG YAXIN PLASTIC PACKING CO., LTD.Polycrystalline Diamond Compact PDC Cutters Bit for Oil Drilling
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