5 Russia 
1 China 
1 Germany 
1 Finland 
pdc cutters coalfield oilfield drilling Photos Catalog - page 68 - WorldBid B2B Market
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Underground Core Drilling RigEquipment - Beijing Jc Drilling Machinery Co., Ltd. - China - August 20, 2026 - 1.00 Dollar US$Underground Core Drilling Rig The JKD series tunnel core drilling rig has the characteristics of comprehensive drilling construction in all fields, all directions, and all angles, and is suitable for various purposes such as surface drilling, tunnel ...
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Reverse Circulation Drilling RigEquipment - Beijing Jc Drilling Machinery Co., Ltd. - China - August 20, 2026 - 1.00 Dollar US$Reverse Circulation Drilling Rig Reverse Circulation (RC) Drilling Rig is used in mineral exploration, geotechnical surveys, and water well drilling, efficiently collecting uncontaminated rock and soil samples from depth, with dual-walled drill rods ...
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Engineering Drilling Rig For IndustryEquipment - Beijing Jc Drilling Machinery Co., Ltd. - China - August 20, 2026 - 1.00 Dollar US$Engineering Drilling Rig Engineering drilling rig Includes DTH and full hydraulic rigs, used for site investigation, foundation anchoring, grouting, drainage holes, and tunnel or infrastructure construction, adaptable to complex geological conditions...