| 牌子的名字 |
JINGRI |
| 模式的数量 |
JR-MPDC series |
| 类型 |
钻头 |
Jingri PDC for coal field drillingJR-MPDC has high abrasion resistance, without delamination. With matured manufacturing process and stable quality, common used size 1304 and 1308 can be provided in large quantity. With special TC groove design, diamond and TC can ever strongly integrated. Diamond layer has a good strength and excellent abrasion ratio.