Ant-Y20 is a lightweight Lumbar Support Exoskeleton that combines passive power and active lightweight. The biggest feature of Y20 is the flexible and close-fitting. Y20 can be used in various narrow environments. It has no obstacles when bending down and provides great power when getting up. The intelligent bending assistance in the 20kg class can meet various daily work needs. At the same time, Y20 also has walking assistance, making the pace lighter and work simpler.