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Drone-Robot Duo Revolutionizes High-Rise Cleaning in Nanjing, Boosting Efficiency Dramatically

Drone-Robot Duo Revolutionizes High-Rise Cleaning in Nanjing, Boosting Efficiency Dramatically

2026-02-21

Drone-Robot Duo Revolutionizes High-Rise Cleaning in Nanjing, Boosting Efficiency Dramatically


Drones are expanding their applications across urban governance, and Nanjing, Jiangsu Province, has recently witnessed a groundbreaking use case: a drone-robot team replacing human "spidermen" to clean skyscraper facades and pinpoint pollution sources with precision.

The Nanjing Urban Management Department has piloted the first-ever drone + robot collaborative cleaning system for building exteriors. A drone equipped with high-pressure cleaning gear flies to the rooftop under remote control, delivering targeted cleaning solution sprays. A specialized cleaning robot follows, using steam to melt tough grime and robotic arms to wipe away residues seamlessly.
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This innovative approach eliminates the safety risks faced by human workers in complex high-altitude environments while drastically cutting operation time. Traditionally, cleaning a 30-story building required 12 workers working in shifts for 3 full days. Now, the drone-robot team completes the same task in just half a day.