JTC30 – The Industrial-Grade Cleaning Drone for High-Rise Maintenance The JTC30 is an industrial‑grade six‑axis cleaning drone designed for high‑rise window and facade washing. It combines a 29MPa ultra‑high‑pressure spray system, AI‑driven autonomous operation with obstacle avoidance and RTK positioning, and a foldable compact frame for easy transport. With a maximum takeoff weight of 66.5kg, a working height of 150m, and 30–40 minutes of flight time, it delivers powerful, reliable, and efficient cleaning performance for long‑term exterior building maintenance.