■特点：
☆不通孔回转油缸。
☆采用双活塞，夹紧力大，行程大。
☆是杠杆式轮毂卡盘理想的动力源。
■Specificity:
☆Non-through-hole rotating hydraulic cylinders.
☆Adopting double-piston ,with large gripping force and large stroke.
☆It is the ideal power source for the lever-type hub power chucks.