Group 1 - The fourth Global Digital Trade Expo opened in Hangzhou, highlighting AI and robotics as major attractions [1][4] - The "Smart Future" exhibition area featured six companies from Hangzhou showcasing their technological achievements in a scenario-based manner [3] - Companies like Strong Brain Technology presented intelligent bionic hands and legs, which utilize sensors to interpret users' neural signals for improved mobility [4][5] Group 2 - Yushutech's Unitree G1 demonstrated skills such as dancing and boxing, with the CEO emphasizing the significant opportunities in AI and robotics for various sectors [4] - Tai Xi Intelligent showcased wearable exoskeleton products designed to assist users in carrying loads while climbing or walking, with a market price around 5,000 to 6,000 yuan [5] - Star Species Robotics introduced the world's first "human-machine collaboration" cleaning robot, capable of performing complex cleaning tasks autonomously in 3D spaces [6][7] Group 3 - The VR technology-supported entertainment experiences attracted audience interest, allowing users to interact with various dinosaur species in a simulated environment [7] - The project aims to enhance user engagement through open and exploratory experiences, particularly appealing to children and fostering social sharing [7]

Group 1: Digital Trade Expo Highlights - The Fourth Global Digital Trade Expo opened in Hangzhou, showcasing AI and robotics as major attractions [1] - The "Smart Future" theme area featured six companies from Hangzhou, collectively demonstrating their technological achievements in a scenario-based manner [2] Group 2: Innovations in Robotics - Strong Brain Technology introduced a smart bionic leg that collects weak nerve and muscle electrical signals to assist users in walking naturally across different terrains [2] - Unitree Technology showcased its Unitree G1 robot, capable of dancing and performing martial arts, emphasizing the potential of AI and robotics in various sectors [2] - Tai Xi Intelligent presented a wearable exoskeleton that aids users in carrying heavy loads while climbing or walking, utilizing mechatronics technology for real-time support [2][3] Group 3: Market Applications and Collaborations - Tai Xi Intelligent's consumer-grade exoskeleton is priced between 5,000 to 6,000 yuan and is available for rental in tourist areas at 20 to 30 yuan per hour [3] - The company is collaborating with SF Express to deploy its products in logistics centers to assist with cargo handling [3] Group 4: Cleaning Robotics - Star Species Robotics unveiled the world's first "human-robot collaboration" cleaning robot, capable of performing 3D space cleaning tasks autonomously [3] - This robot is equipped with a water tank and cleaning tools, allowing it to identify stains and utilize various cleaning functions, currently deployed in public areas like airports and metro stations [3] Group 5: VR Technology in Entertainment - The expo featured new entertainment consumption scenarios supported by digital and VR technologies, which were well-received by attendees [4] - Time Space Elf showcased a VR experience allowing users to interact with various dinosaur species, enhancing user engagement through immersive technology [5][7]