Linear guide, ball screw manufacturer / supplier in China, offering Sfk Series Miniature Precision Lead Screw 2mm-8mm Diameter with Brass Nut for CNC, Sfk Series Miniature Lead Screw - Precision Micro Screw for Small CNC and 3D Printers, High Precision Dfu1605 Double Nut Ball Screw C5 C7 1604 1605 Ball Screw 1610 Ball Screw for 3D Printer CNC Machinery Accessories and so on.