Group 1 - The 22nd Changchun International Automobile Expo and the 7th Hongqi Carnival were launched simultaneously, showcasing Hongqi's "All in" new energy strategy and historical models [1][3] - The Hongqi brand exhibition featured over ten new models, including advanced designs equipped with intelligent driving systems, attracting significant public interest [3] - In the first half of the year, China FAW achieved vehicle sales of 1.571 million units, with Hongqi brand sales reaching 225,000 units, indicating a steady growth trend [3] Group 2 - Historical Hongqi models were displayed, including the CA770, CA772, and CA774, representing milestones in China's automotive industry [5] - A parade featuring 15 vehicles, including the replica of the first Chinese sedan, was conducted through Changchun, highlighting the city's historical and cultural significance [5] - The Hongqi Carnival will last for a week, integrating themes of innovation, development, ecology, culture, and user experience [5]