| Место происхождения |
Hebei China (Mainland) |
| Бренд |
Orient |
| Номер Модели |
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.