This article introduces a cutting-edge high-altitude cleaning solution featuring the P3(T50) flexible tethered system, now fully compatible with DJI's newly released Matrice 400 drone. Designed for urban curtain wall cleaning and wind turbine maintenance, the solution showcases seamless cross-platform integration, lightweight design, and precise aerial operation capabilities. Leveraging advancements in soft robotics and UAV technologies, it represents a major step forward in intelligent, efficient, and adaptable drone-based cleaning applications across various industries.