Linear Shaft, Ball Screw, Linear Bearing manufacturer / supplier in China, offering High Precision C3 C5 C7 Linear Motion Ground Rolled Right and Left Hand Thread Big/Miniature Lead Steel Ball Screw (4mm-100mm) with Match Nut for CNC Machine, Professional Manufacturer Chrome Plated Hardened Carbon Steel Linear Shaft (WCS SFC Size from 3mm-150mm), Chrome Plated Shaft with Thread End Process for CNC Machine and so on.