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| Buy Request |  | Sell Offer |  | Company |  | Reviews | |
| Expire | Country | Pic | Subject | Popularity |
| Jun 21 2017 |  CN |  | oil and gas drilling rigs and Alloy steel material pdc bit | 205 |
| Jul 22 2017 | CN | | brazing welding rod steel body pdc bit | 205 |
| Jul 25 2017 | CN | | rock drill parts insert pdc cutetrs and pdc bit | 204 |
| Jul 30 2018 | CN | | rock blasting equipment and 4 blades pdc drill bit | 204 |
| Jul 27 2017 | CN | | coal mining drill bit insert pdc cutters for well drilling | 204 |
| Jun 23 2017 | CN | | air rock drill and high quality pdc coring bit | 204 |
| Jul 23 2016 | CN | | brazing welding rod mine equipment pdc bit | 204 |
| Jul 23 2016 | CN | | mine equipment for well drilling pdc bit | 204 |
| Jul 22 2016 | CN | | machine boring well and welding rod pdc core bit | 204 |
| Jul 22 2016 | CN | | Carbide Material and Well Drilling Use diamond core drills | 202 |
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