Group 1: Industry Overview - The Yantai government is focusing on the high-quality development of the green construction industry chain, promoting the "Yantai Model" for high-quality urban construction [1] - The event featured discussions with leaders from three green construction companies in Yantai, emphasizing innovation practices in the industry [1] Group 2: Yantai Construction Group - Yantai Construction Group, led by President Wen Aiwu, is committed to achieving zero construction waste emissions and has implemented green construction practices across key projects [3] - The company has introduced automated production lines and palletizing robots to enhance production efficiency and product quality, while also installing photovoltaic systems to reduce energy consumption [3] - The group has developed a construction waste treatment production line and is researching recycled aggregate premixed mortar, achieving zero emissions of construction waste and significantly reducing carbon emissions during production [3][4] Group 3: Yantai Feilong Group - Yantai Feilong Group, under President Song Jian, has evolved from a small construction company to a comprehensive group with over 2,000 employees and multiple subsidiaries [5] - The company is focusing on low-carbon transformation in the construction industry, particularly through ultra-low energy consumption windows, which account for about 50% of total building energy consumption [5][6] - Feilong Group aims to become a full-chain engineering service provider in green construction, increasing R&D investment and collaborating with universities to advance green materials and smart construction technologies [6] Group 4: Shandong Huisheng Building Technology - Shandong Huisheng Building Technology, led by General Manager Pan Tao, has established five core green product and technology systems since its inception in 2018 [7] - The company’s products support rural revitalization, urban renewal, disaster recovery, and public services, showcasing significant application prospects and social benefits [7] - Huisheng's construction methods allow for faster project completion, with a three-story house being delivered in 10 days for the main structure and 20 days for full decoration, compared to traditional methods [7]