| 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
Hollowxyaum rodsyog siv nyob rau hauv granite thiab marble chaw txua txiag zeb, kub mine, railway, qhov, thiab lwm yam rau drilling.Hollowlaum rods muaj lub neej nyuaj, hloov lub zog percussion los ntawm pob zeb laum mus rau drilling me ntsis thiab tom qab ntawd mus rau hauv pob zeb.Lawv kuj raug kev nyuaj siab khoov siab, tsis hais txog cov dej corrosive hauv qhov dej ntws.
| 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 |
