The Ants 20 from Guozi Robotics is an autonomous mobile lifting robot with a 1600 kg maximum payload, measuring 1146 by 810 by 275 mm with an 1150 mm rotating diameter. It features QR code and laser reflector navigation with plus or minus 5 mm stop accuracy, a 68 mm lifting distance, front laser detection with visual recognition, up to 1.5 m/s speed, over 8 hours operating time, under 1.5 hours charging, and 3 to 5 percent gradeability.