Group 1 - The "Hi4 Talk" series launched by Great Wall Motors aims to discuss the Hi4 technology system and address user concerns in an accessible manner [2] - Great Wall Motors' Vice President Wang Chao explained that Hi4 technology offers a more efficient driving mode compared to range-extended systems, likening Hi4 to a washing machine with more functions [3] - CTO Wu Huixiao emphasized that Hi4 technology provides a responsive and stable driving experience, particularly in extreme driving conditions, enhancing both safety and confidence for drivers [3] Group 2 - Great Wall Motors' Tank team showcased the performance of Hi4-T and Hi4-Z technologies in the 2025 China Rally, winning the T2.E production new energy group championship [4] - Wang Chao noted that the vehicles sustained minimal damage during the rally, demonstrating the durability and reliability of key components under extreme conditions [4] - Wu Huixiao highlighted the importance of using competitive events as a testing ground to continuously improve vehicle performance [4]