[Humanoid Robot Concept Weakens Again, Zhongda Leader Hits 2 Consecutive Limit Downs] Golden Finance reported that on August 20, during the morning session, the humanoid robot concept weakened again. Zhongda Leader and Zhengyu Industrial hit limit down for 2 consecutive days, Unitree Robotics fell by over 14%, while Jintuo Co., Wolong Electric, Estun, and Swancor all dropped by over 7%.