We can supply the  guide rail,if you require this ,please contact me,send me the drawing ,thanks!

Guide ( daogui ) guide rail:

metal or other material groove or ridge, can bear, fixed, guide a mobile device or equipment and reduces the friction of a device.

       Guide on the surface of the longitudinal grooves or ridges, used for guiding, fixed machine parts, special equipment, instrument and so on.

       Rail is also called slide, linear guide, linear slide, for beeline reciprocating movement, have a higher rating than the linear bearing load, and can afford a certain torque, high load in case of high accuracy linear motion.