Han's robot adopts a unique dual-joint module design, and a motion module contains two joints. The unique motion structure gives the robot great flexibility. In addition, the Hanzu robot has reached the protection level of IP66, realized mass production, and can prevent the invasion of foreign objects and dust. It is suitable for CNC loading and unloading, food processing, explosion-proof operation, high-cleanliness precision machining, underwater operation, etc., and has been verified by customers for more than 4 years.