... Backlash;2. Anti-friction,dustproof;3. All kinds of item, by customers requirements;4. Reasonalbe Price;5. ... high-lead ball screw to be with characteristies of high rigidity, low noise and thermal control. ... in ball screw for years. We can supply full range of SFU, DFU,SFE,DFE,SFT, DFT,SFI,DFI ... is a further extension and development of ball screw. The significance of this development is to move into ...