Group 1 - The 2025 China International Service Trade Fair opened in Beijing, showcasing China State Construction Engineering Corporation's (CSCEC) focus on "good houses, good communities, and good urban areas" through its subsidiary, Zhongjian Jiuhe Real Estate [1] - Zhongjian Jiuhe's self-developed "one core and four cores" technology system integrates livability, sustainability, intelligence, and health, covering the entire lifecycle from planning and design to construction and operation [1] - The "Zhongjian Yunhe Jiu Yuan" project in Tongzhou, Beijing, features a "three-entry" homecoming system and a six-layer vertical greening system, combining traditional craftsmanship with modern facade technology to create a unique architectural aesthetic [1] Group 2 - The "Zhongjian Jiu Shang Lang Chen" project features a "gold inlaid jade" ceramic panel facade, a maximum height of approximately 10 meters, and a 3,000 square meter sunken courtyard clubhouse, recognized as one of the first zero-carbon communities in the country [2] - The "Jia Ding Ideal Land" project in Shanghai is a leading low-carbon community, achieving a 31% reduction in overall carbon emissions through the integration of over 20 green technologies [2] - The "Future Fangzhou" project in Guangzhou combines historical preservation with digital industry development, aiming to create a vibrant cultural village that supports urban strategic upgrades [2]