| No | description | HS CODE |
| 1 | Steel tooth roller cone drill bit factory Jianghan 444.5mm SWT115GC | 8207199000 |
| 2 | Steel tooth roller bit 241.3mm HAT127 Kingdream | 8207199000 |
| 3 | Steel tooth roller bit 26 "P1 Jiangxi dragon tricone | 8207199000 |
| 4 | Steel tooth roller bit 15 "MP2G Jiangxi dragon tricone | 8207199000 |
| 5 | Steel tooth roller bit 17-1 / 2 "MP2G Jiangxi dragon tricone | 8207199000 |
| 6 | Steel tooth roller bit 9-1 / 2 "HJ437G Jianghan three-cone drill | 8207199000 |
| 7 | Steel tooth roller bit 17-1 / 2 "GJT115GC Jianghan three-cone drill | 8207199000 |
| 8 | Steel tooth roller bit 8-1 / 2 "HJT527G Jianghan three-cone drill | 8207199000 |
| 9 | Steel tooth roller bit 12-1 / 4 "HJT527G Jianghan drill tricone | 8207199000 |
| 10 | Steel tooth roller bit 215.9mm HJT137G | 8207199000 |
| 11 | Steel tooth roller bit 215.9mm HJ437G Kingdream | 8207199000 |
| 12 | Steel tooth roller bit 215.9mm HJ537G Kingdream | 8207199000 |
| 13 | Steel tooth roller bit 200mm HJ437G Kingdream | 8207199000 |
| 14 | Steel tooth roller bit 149.2mm HA517G Li Lin | 8207199000 |
| 15 | Carbide tipped cone bit 152mm MD517X | 8207199000 |
| 16 | Carbide tipped cone bit 660.4mm SKG115GC | 8207199000 |
| 17 | Carbide tipped cone bit 215.9mm MD517X Kingdream | 8207199000 |
| 18 | Carbide tipped cone bit 4-1 / 2 "YC517 Jianghan three-cone drill | 8207199000 |
| 19 | Carbide tipped cone drill 5-7 / 8 "HJ517G Jianghan three-cone drill | 8207199000 |
| 20 | Carbide tipped rock bit 6 "HA537G Jianghan three-cone drill | 8207199000 |
| 21 | Carbide tipped rock bit 6 "HJ617G Jianghan three-cone drill | 8207199000 |
| 22 | Carbide tipped cone drill 7-7 / 8 "HJ437G Jianghan three-cone drill | 8207199000 |
| 23 | Carbide tipped cone bit 8-1 / 2 "HJ437 tricone drill Jianghan | 8207199000 |
| 24 | Carbide tipped cone bit 8-1 / 2 "HJ437G Jianghan three-cone drill | 8207199000 |
| 25 | Carbide tipped cone bit 8-1 / 2 "HJ517G Jianghan three-cone drill | 8207199000 |
| 26 | Carbide tipped cone bit 8-1 / 2 "HJ537G Jianghan three-cone drill | 8207199000 |
| 27 | Carbide tipped cone bit 8-1 / 2 "HJT537G Jianghan three-cone drill | 8207199000 |
| 28 | Carbide tipped cone bit 9-1 / 2 "HJ437 tricone drill Jianghan | 8207199000 |
| 29 | Carbide tipped cone bit 12-1 / 4 "HJ437 tricone drill Jianghan | 8207199000 |
| 30 | Carbide tipped cone bit 12-1 / 4 "HJ437G Jianghan drill tricone | 8207199000 |
| 31 | Carbide tipped cone bit 12-1 / 4 "HJ517G Jianghan drill tricone | 8207199000 |
| 32 | Carbide tipped cone bit 12-1 / 4 "HJ537G Jianghan drill tricone | 8207199000 |
| 33 | Carbide tipped cone bit 12-1 / 4 "HJT517GK Jianghan drill tricone | 8207199000 |
| 34 | Carbide tipped cone bit 12-1 / 4 "HJT537G Jianghan drill tricone | 8207199000 |
| 35 | Carbide tipped cone bit 12-1 / 4 "MD517X Jianghan drill tricone | 8207199000 |
| 36 | Carbide tipped cone bit 12-1 / 4 "SKH437G Jianghan drill tricone | 8207199000 |
| 37 | Carbide tipped cone drill 5-7 / 8 "HJT517G Jianghan three-cone drill | 8207199000 |
| 38 | Carbide tipped cone bit 8-1 / 2 "HJ517 tricone drill Jianghan | 8207199000 |
| 39 | Carbide tipped cone bit 8-1 / 2 "HJ527G Jianghan three-cone drill | 8207199000 |
| 40 | Carbide tipped cone bit 8-1 / 2 "MD517 Jianghan three-cone drill | 8207199000 |
| 41 | Carbide tipped cone bit 8-3 / 4 "HJ437G Jianghan drill tricone | 8207199000 |
| 42 | Carbide tipped cone bit 216mm HJT537G Jianghan | 8207199000 |
| 43 | Carbide tipped cone bit 139.7mm MD517GLM Kingdream | 8207199000 |
| 44 | Diamond drill 311.2mm MS1952SS one hundred Cityray | 8207191000 |
| 45 | Diamond drill 215.9mm MS1952SS one hundred Cityray | 8207191000 |
| 46 | Diamond drill 215.9mm MS1952SSX one hundred Cityray | 8207191000 |
| 47 | Diamond drill 215.9mm STS915K new speed through | 8207191000 |
| 48 | Diamond drill 215.9mm FX55D DBS | 8207191000 |
| 49 | Diamond drill 444.5mm GP19256 Chuanshi | 8207191000 |
| 50 | Diamond drill 216mm DM653 | 8207191000 |
| 51 | Deep diamond drill 215.9mm DM753 Chengdu | 8207191000 |
| 52 | Diamond drill 311.1mm KS1952SGR (A) Kingdream | 8207191000 |
| 53 | PDC drill bit 215.9mm DM1336BSCU domestic Chengdu desert | 8207191000 |
| 54 | PDC drill bits 311mm MS1951SS | 8207191000 |
| 55 | PDC drill bit 215.9mm MS1952SS | 8207191000 |
| 56 | PDC drill bit 215.9mm ST316TUH | 8207191000 |
| 57 | PDC drill bit 152.4mm DM554 | 8207191000 |
| 58 | PDC drill bit 152.4mm DM565H | 8207191000 |
| 59 | PDC drill bit 215.9mm DM564 | 8207191000 |
| 60 | PDC drill bit 311.2mm DM752 | 8207191000 |
| 61 | PDC drill bit 311.2mm DS752AB | 8207191000 |
| 62 | PDC drill bit 152.4mm ST316TUH | 8207191000 |
| 63 | PDC drill bit 215.9mm ST615TU | 8207191000 |
| 64 | PDC drill bit 152.4mm M1365 | 8207191000 |
| 65 | PDC drill bit 311.2mm MS1952SS one hundred Cityray | 8207191000 |
| 66 | PDC drill bit 215.9mm M1355R | 8207191000 |
| 67 | PDC drill bit 215.9mm M1665SS | 8207191000 |
| 68 | PDC drill bit 215.9mm FX55D Imperial Majesty Ice | 8207191000 |
| 69 | PDC drill bit 214.4mm SCM308 new speed through | 8207191000 |
| 70 | PDC drill bit 214.4mm SNC6518 new speed through | 8207191000 |
| 71 | PDC drill bit 215.9mm FR1945SR New Edge | 8207191000 |
| 72 | PDC drill bit 215.9mm FX56SX3 Imperial Majesty Ice | 8207191000 |
| 73 | PDC drill bit 215.9mm ST315RS new speed through | 8207191000 |
| 74 | PDC drill bit 215.9mm ST636RS new speed through | 8207191000 |
| 75 | PDC drill bit 311.2mm FR1935MR New Edge | 8207191000 |
| 76 | PDC drill bit 311.2mm FR1935SR New Edge | 8207191000 |
| 77 | PDC drill bit 311.2mm FX56S Imperial Majesty Ice | 8207191000 |
| 78 | PDC drill bit 311.2mm ST915TUK new speed through | 8207191000 |
| 79 | PDC drill bit 215.9mm BR1656B Bao Rui | 8207191000 |
| 80 | PDC drill bit 215.9mm BR1954D Bao Rui | 8207191000 |
| 81 | PDC drill bit 215.9mm BR1955F Bao Rui | 8207191000 |
| 82 | PDC drill bit 215.9mm BR1955H Bao Rui | 8207191000 |
| 83 | PDC drill bit 215.9mm DS653AB Deep | 8207191000 |
| 84 | PDC drill bit 215.9mm DS752AB Deep | 8207191000 |
| 85 | PDC drill bit 215.9mm MS1952SSX one hundred Cityray | 8207191000 |
| 86 | PDC drill bit 311.2mm DM1624BGU desert | 8207191000 |
| 87 | PDC drill bit 311.2mm DM753 Deep | 8207191000 |
| 88 | PDC drill bit 311.2mm DS653AB Deep | 8207191000 |
| 89 | PDC drill bit 311.2mm GP1935XL Chuanshi | 8207191000 |
| 90 | PDC drill bit 333.3mm DM565H Deep | 8207191000 |
| 91 | PDC drill bit 444.5mm DMS 1955BSNU desert | 8207191000 |
| 92 | PDC drill bit 444.5mm MS1951SS | 8207191000 |
| 93 | PDC drill bit 444.5mm DM754H | 8207191000 |
| 94 | PDC drill bit 311.2mm STS915K | 8207191000 |
| 95 | PDC drill bit 311.2mm GS605F | 8207191000 |
| 96 | PDC drill 311.15mm DS751AB Chengdu Dipu | 8207191000 |
| 97 | PDC drill bit 311.2mm DM653H | 8207191000 |
| 98 | Milling drill bit 83mm | 8207191000 |
| 99 | Cone core bits 215.9 * 105mm SPQ172-101 | 8207199000 |
| 100 | Diamond core drill core center 214.4mm CQT405 Sichuan | 8207191000 |
| 101 | Diamond core drill core center 214.4mm CQP688 Sichuan | 8207191000 |
| 102 | Diamond core drill 150.9 * 66mm SPQ121-66 | 8207191000 |
