四川国企亮出了哪些“绝活”？

Group 1 - The article highlights the innovative technologies showcased by Sichuan enterprises at the 20th Western China International Economy and Trade Fair, emphasizing advancements in robotics, smart devices, and infrastructure [2][3] - Chengdu Jingrong Lianchuang Technology Co., Ltd. demonstrated a cross-domain collaborative system that integrates multiple unmanned devices, showcasing the capabilities of their self-developed technology [2][3] - The Sichuan Development (Holding) Company exhibited a humanoid robot and a robotic dog, which attracted significant attention from visitors, illustrating the engaging nature of their technological advancements [2][3] Group 2 - The article mentions the Sichuan Road and Bridge Group's construction of the world's largest and heaviest railway swing bridge at the Suez Canal, highlighting the technical challenges and significance of this project [3] - Sichuan Energy Development Group presented an intelligent inspection robot designed for remote and harsh environments, enhancing the efficiency and safety of inspections at substations [3] - The Sichuan Province Natural Resources Investment Group showcased advanced geological exploration technologies, including a wide-area electromagnetic instrument capable of deep and precise underground assessments [3] Group 3 - Longzhong Meiling's "Frozen Fresh" refrigerator features innovative PCM cooling technology, allowing for precise temperature control to extend food preservation [3] - The article discusses the launch of Longzhong's AI TV, which utilizes a state-of-the-art AI model to provide interactive responses to viewer inquiries, enhancing user experience [3] - Sichuan Airlines introduced a digital twin airport system for real-time flight information management, improving operational efficiency and passenger service [3]