Smooth tracking of up and down links

Positioning and guiding functions. The up-and-down link track of smooth track is made of high-quality carbon steel through special technology, which can make various connectors install the track on the working frame, and realize the suspension and movement of materials through the operation of pulleys in the track, which has the function of positioning and guiding. Track refers to the route laid with strip steel by trains, trams, etc. It can also be the route of celestial bodies in the universe.