| 出生地 |
Hebei China (Mainland) |
| 牌子的名字 |
Orient |
| 模式的数量 |
N/A |
In order to adapt to screw drill long life requirement of the drilling technology ,our company has researched and developed a new kind of ball transmission universal shaft. It adopts lubricating oil ,and transfer torque during steel balls,which make it switched flexibly, stressed more reasonable ,so as to prolong working life.