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| Thread/Tapered Cross Bit [Place of Origin: ] | 23 | Guizhou | 2008-8-28 |
| Chisel Bit [Place of Origin: ] | 28 | Guizhou | 2008-8-28 |
| DTH Bit [Place of Origin: ] | 21 | Guizhou | 2008-8-28 |
| Hollow Drill Steel Bar [Place of Origin: ] | 22 | Guizhou | 2008-8-28 |
| Drill Rod/ Integral Drill Steel [Place of Origin: ] | 21 | Guizhou | 2008-8-28 |
| Thread/Tapered Button Bit [Place of Origin: ] | 22 | Guizhou | 2008-8-28 |
| Retrac Bits [Place of Origin: ] | 21 | Guizhou | 2008-8-28 |
| Drill Rod/Tapered Drill Rod [Place of Origin: ] | 23 | Guizhou | 2008-8-28 |
| Drill Rod/ Drifting Drill Rod [Place of Origin: ] | 27 | Guizhou | 2008-8-28 |
| Self-drilling Anchor [Place of Origin: ] | 20 | Guizhou | 2008-8-28 |
| Self-drilling Anchor Bit [Place of Origin: ] | 21 | Guizhou | 2008-8-28 |