Wuxi Drilling Tools Factory Co.,Ltd
Parameter teknik
| Model | Perakitan melampaui | Berat / set | |
| Panjang (mm) | Diameter luar (mm) | kg | |
| S56 | 1580 | 40 | 25 |
| S59 | 1580 | 42 | 25 |
| S59B | 1580 | 42 | 25 |
| S75 | 1470 | 50 | 28 |
| S75B | 1460 | 50 | 28 |
| S75-SF | 1460 | 50 | 28 |
| S95 | 1600 | 70 | 32 |
| S95A | 1600 | 50 | 32 |
| CBH | 1580 | 40 | 25 |
| CNH | 1470 | 50 | 25 |
| CNH (F) | 1470 | 50 | 25 |
| CSH | 1650 | 80 | 38 |
