Core Insights - Longgang's development history reflects a journey of reform and innovation, transitioning from a fishing village to a city, particularly after its establishment as a city in 2019, marking significant urbanization milestones [1] - The city is addressing environmental infrastructure challenges by launching an integrated circular economy industrial park, aimed at transforming urban waste into renewable resources and promoting a "waste-free city" initiative [1] Group 1: Integrated Construction and Collaboration - The circular economy industrial park is designed to consolidate various environmental projects, enhancing efficiency and reducing pollution through shared infrastructure [2] - The park covers 253 acres and includes six core facilities such as a wastewater treatment plant and a kitchen waste processing plant, improving material transfer efficiency and increasing shared pipeline usage by 25% [2] Group 2: Waste Recycling and Resource Utilization - The industrial park has established a closed-loop system for wastewater, kitchen waste, and solid waste, with the kitchen waste processing plant operational since 2022, achieving a 100% harmless treatment rate and an 81% resource utilization rate [5] - The park is expected to process approximately 43.8 million tons of urban wastewater, 30,000 tons of solid waste annually, and generate 1,500 tons of recoverable oil and 200,000 tons of resource products [6] Group 3: Monitoring and Regulatory Framework - Longgang has implemented policies such as the "Construction Waste Management Measures" to support the long-term development of a green economy and promote the use of recycled materials in municipal infrastructure [7] - A comprehensive monitoring system has been established to ensure efficient waste management, integrating community supervision and advanced technologies like drones for effective enforcement against illegal dumping [7]