Watch a step-by-step demonstration of the Daoyunai Push-Rod LED UV CIPP Curing System for DN100–DN250 pipe rehabilitation. See how the LED curing head with integrated HD camera and temperature sensor is deployed into small-diameter pipelines, how the motorized cable reel handles 5–50 m runs, and how operators monitor real-time curing, adjust power, and export logs for quality traceability. A practical trenchless repair walkthrough for B2B teams.