Here is another robot that can make deliveries at your place of business. The ATEAGO Delivery Robot O1 has multiple trays to move 15kg of load around. It has a cruising speed of 0.2 to 1.2m/s. The unit has a 7-inch display and runs Android 5.1
This robot comes with a camera, LiDAR, ultrasound sensor, and a emergency stop switch. You can find out more about it here.