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| Buy Request |  | Sell Offer |  | Company |  | Reviews | |
| Expire | Country | Pic | Subject | Popularity |
| Jun 30 2017 |  CN |  | hand well drilling equipment and alloy steel material used drill bit | 191 |
| Jul 21 2016 | CN | | API 14-3/4'' matrix body pdc coring bit and rock drilling tools | 190 |
| Jun 28 2017 | CN | | china diamond drill bit for underground water detection | 189 |
| Jun 28 2017 | CN | | stone/marble drilling Use and Twist Drill Bit Type HSS drill bit | 189 |
| Jun 30 2017 | CN | | Diamond core drill bit for stone concrete | 189 |
| Jun 29 2017 | CN | | pdc bits and dth hammers bits for well drilling | 188 |
| Jun 26 2018 | CN | | Coal mining Use diamond core bit and drill sharpening machines | 184 |
| May 30 2025 | CN | | 6'' IADC 637 TCI TRICONE BIT FOR WATER WELL DRILLING | 183 |
| Jun 29 2017 | CN | | Core Drill Bit Type DTH Button bits | 180 |
| Jun 22 2017 | CN | | Oil well drilling equipment and DTH hammers bits | 177 |
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