Core Viewpoint - Water conservation is not only an environmental issue but also directly linked to high-quality development and industrial upgrading, with China aiming to cultivate a trillion-yuan water-saving industry, particularly active in the Guangdong-Hong Kong-Macao Greater Bay Area [1][4]. Group 1: Event Overview - The Guangdong-Hong Kong-Macao Greater Bay Area Water Conservation Industry Innovation Development Conference and High-tech Equipment Expo was held in Guangzhou, attended by over 500 representatives from water management departments, enterprises, and experts [1]. - The establishment of the Greater Bay Area Water Conservation Industry Alliance was announced, along with the release of classic water-saving case studies from the Pearl River Basin to accelerate industrial collaboration [1][5]. Group 2: Technological Innovations - The integration of technology in water conservation is becoming a key driver for industrial upgrading, with companies exploring specific pathways [2]. - Shenzhen Environmental Water Group showcased its achievements in reducing leakage rates from 15.3% to 4.2% through smart monitoring and control systems [2]. - The "smart fire hydrant" product, equipped with sensors, monitors water pressure and flow to ensure fire safety, with over 20,000 units deployed across 12 provinces [2]. Group 3: Industry Growth and Statistics - China's water-saving industry has shown robust growth, with a market size exceeding 760 billion yuan, and is projected to reach one trillion yuan by 2027 [4]. - The Ministry of Water Resources reported an increase of 2.15 billion cubic meters in total water usage for 2024 compared to 2023, while water usage per unit of GDP decreased by 4.4% [4]. Group 4: Collaborative Initiatives - The "Guangdong-Hong Kong-Macao Greater Bay Area Water Conservation Initiative" was launched, emphasizing a "water-saving first" approach and collaboration across various sectors [5]. - The initiative aims to enhance water-saving technologies, reduce pipeline leakage, and promote mutual learning and green financial innovations among the Greater Bay Area cities [5][6].