In this video, we take you inside the workshop to demonstrate how PU trolley and rail cart wheels are machined and assembled for rail equipment. Watch a step-by-step walkthrough of the production process, see how premium polyurethane treads are bonded to solid cores, and learn how different wheel sizes, bearings, and hardness options are selected for real-world rail cart systems. We also showcase practical fitment examples and performance checks that help B2B buyers evaluate traction, load capacity, and durability for workshop trolleys and material handling equipment.