| Qhov xwm txheej | Tshiab | Siv | Coal Mining |
| Siv Tau Kev Lag Luam | Kev tsim kho ua haujlwm, Zog & Mining | Khoom npe | Taper Khawm Ntsis |
| Qhov hnyav (KG) | 4 | Txoj kab uas hla | 26mm-56mm |
| Video tawm-kev soj ntsuam | Muab | Ntev | 50mm ~ 72 hli |
| Hom Lub Npe | JCDRILL | Qhov zoo | Kev ua haujlwm siab |
| Hom | DRILL BIT | Xim | Thov |
| Tshuab Hom | Cov cuab yeej drilling | Kev siv | Drilling thiab Kev Tsim Kho |
| Khoom siv | High Manganese Hlau, Carbide, Tungsten Carbide | Hloov | Huab cua / Hiav txwv / Express |
| Hom kev ua haujlwm | Forging, Forging |
Taw qhia
lub xub pwg tsav drilling cov cuab yeej suav nrog hollow laum pas nrig, hlau hla me ntsis, hla me ntsis thiab khawm me ntsis, Dav siv hauv mines, chaw txua txiag zeb thiab qhov dej, thiab lwm yam.rods yog nruj dua, hnyav dua thiab hloov lub zog ntau dua thaum nce dej ntws tawm.
| Hollow Drill Rod | |
| Taper Degree | 4°, 6°, 7°, 11°, 12° |
| Txoj kab uas hla | 19mm - 25mm (los yog 1 nti rau 7/8 nti) |
| Ntev | 400mm-6000mm |
| Laum Qws Shank | 22 x 108 mm, shank 25 x 159 mm |
| Khoom siv | Siab zog alloy steel bar |
| Xim | Dub los yog raws li cov neeg siv khoom xav tau. |
Duab
| Yam tsawg kawg nkaus Order Quantity | N/A |
| Nqe | |
| Ntim Cov Lus Qhia | Standard Export Delivery Package |
| Lub sij hawm xa tuaj | 7 noj |
| Cov nqe lus them nqi | T/T |
| Muaj peev xwm muab khoom | Raws li kev txiav txim kom ntxaws |
