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| Buy Request |  | Sell Offer |  | Company |  | Reviews | |
| Expire | Country | Pic | Subject | Popularity |
| Jul 26 2017 |  CN |  | drilling deep oil well used high quality pdc bit | 222 |
| Jun 28 2017 | CN | | hydraulic drill rigs and water well geological exploration pdc bit | 222 |
| Jun 29 2017 | CN | | TCI Material and Forging Processing Type drilling bits water well | 222 |
| Jul 23 2016 | CN | | bit drilling and welding rod pdc bit | 222 |
| Jul 23 2016 | CN | | drill sharpening machines parts and diamond drill bit | 222 |
| Jul 31 2017 | CN | | API pdc bit insert tungsten carbide plugs for hard rock | 221 |
| Jul 31 2017 | CN | | API diamond drill bit insert pdc cutters and water well drilling rig | 221 |
| Jul 31 2017 | CN | | drilling tools and pdc bit insert carbon steel | 221 |
| Jun 29 2017 | CN | | Power Tool Parts Type drill bits for well drilling | 221 |
| Jul 26 2017 | CN | | core drill bit diamond and forging process | 220 |
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