Linear guide, ball screw manufacturer / supplier in China, offering 3D Printers Parts T8 Lead Screw 500mm 1000mm 1500mm 2000mm Lead Screw Trapezoidal Screws Copper Nuts Leadscrew Part, Wholesale Discount! Custom Length Ser-Gd Linear Guides (100-4000mm) with Slider - OEM/ODM Available for Medical Equipment, Ser-Gd Linear Guide 1000mm Length Smooth Operation for Precision Machines and so on.