Humanoid robots, cyber dogs and robotic arms have made a strong impression at the eighth China International Import Expo (CIIE) in Shanghai, as a robotics boom has turned machines from the sector into showstoppers. Hangzhou-based Unitree Robotics made its third appearance at the CIIE, where it displayed new models, including the lightweight, consumer-facing R1, a taller and more facially human-like H2, and an upgraded industrial-grade legged robot, the A2. At Unitree’s booth, crowds eagerly...