Bearings, Machine Tools, CNC Machines manufacturer / supplier in China, offering SFS Ball Screw with End Cup Circulation Nut Light Load High Speed, China Factory Needle Roller Bearing/Needle Bearings/ Cylindrical Roller Bearings/Thrust Bearings, IATF16949 Auto Fasteners ISO14001 Including Nuts/Bolts/Stamping Parts/Special-Shaped Cold Forming Parts and so on.