Group 1 - The core viewpoint of the news is the promotion of the use of recycled construction waste products in government investment projects in Nanjing, aiming to reduce, harmlessly dispose of, and resourcefully utilize construction waste [1][2] - The implementation plan requires that in government investment projects, recycled products should be prioritized in applicable areas, with a usage ratio of no less than 15% [1][3] - The initiative is seen as a significant benefit for the entire industry, as it shifts from traditional landfill methods to resource recycling, thus saving land resources and reducing environmental pollution [1][2] Group 2 - The company Jin Jianfeng has developed a production line capable of processing 300,000 tons of renovation waste annually, producing recycled products used in municipal pipelines and road subgrades [2] - The city has established a registration system for recycled construction waste products, allowing companies to register various types of products for selection by relevant units [2][3] - Nanjing aims to achieve a comprehensive utilization rate of construction waste of 90% and a resource utilization rate of 55% by 2030, as part of its carbon peak implementation plan [3]