Linear guide, ball screw manufacturer / supplier in China, offering Precision Ground 23mm 28mm Ser Linear Guide with Slider - Low Noise, High Rigidity - Perfect for High-Speed CNC Engraving & PCB Machines, Wholesale 15mm 20mm Ser-Gd20wa Linear Guide with High Quality - Custom Lengths Available - OEM/ODM Support for Carving & Engraving Machinery, Best Price! 15mm-53mm Ser-Gd20wa Linear Guide Rail with Slider - Direct Factory Supply for Wood Carving, Metal Engraving & Automation Equipment and so on.