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Commercial distribution service robots are mainly used in the distribution of coffee, meals, documents, experimental materials, medicines and other items in cafes, restaurants, office buildings, hotels, laboratories, hospitals, etc. There is no need to lay QR codes, reflectors or magnetic strips in the work scene in advance, and the deployment is simple. 280-degree open 3-layer tray, easy to operate. Rounded outline design, flexible movement, safe obstacle avoidance, adapt to dynamic and complex scenes such as many people. Take the elevator autonomously, pass through the glass door, and charge independently. It can save labor input, reduce operating costs, enhance customer brand value, and improve service quality and other values for customers.