Linear guide, ball screw manufacturer / supplier in China, offering High Quality Sfu 1605 Ball Screw with Single Nut CNC Ball Screw Part for 3D Printer 500mm 1000mm 1500mm Length, Sfu1610 Sfu2005 Sfu3205 Stainless Steel Ball Screw with Single Nut, High Rigidity Aluminum Linear Guide with Slide Block TBR12/16/20/25/30/35 and so on.