Core Insights - Two contract water-saving projects in Nanjing have been approved by the national contract water-saving management service platform, indicating a nationwide demonstration effect for these projects [1] Group 1: Project Details - The two projects involve Nanjing Police Academy and Nanjing Normal University Qixia Campus, with the former signing a 10-year water-saving contract with Changzhou Changong Electronic Technology Co., Ltd. in April 2023 [2] - The total investment for the water-saving modifications at Nanjing Police Academy is approximately 5 million yuan, covering repairs of leaking pipelines, installation of smart water meters, and construction of irrigation systems [2] - The academy has achieved over 20% water savings, equating to an estimated annual water savings of nearly 120,000 cubic meters and a financial benefit of about 400,000 yuan [2] Group 2: Benefits and Mechanisms - The contract water-saving model allows both parties to benefit, with a "pay after improvement" mechanism enabling water users to start water-saving initiatives with zero upfront costs [3] - The "benefit-sharing" mechanism allows the enterprise to recover its investment from the water savings achieved during the contract period, providing long-term and stable returns [3] - Nanjing has over 70 university campuses, which account for approximately 5% of the city's total domestic water consumption, making university water-saving initiatives a key focus for the city's water conservation efforts [3]

Core Viewpoint - The article highlights the innovative water-saving service model of Zibo Huaze Water Resources Service Co., Ltd., which has effectively transformed water-saving potential into actual benefits for various industries through a comprehensive service approach [1][2]. Group 1: Company Overview - Zibo Huaze Water Resources Service Co., Ltd. was established in 2014 and is recognized as a leading professional water resource technology service provider in China, being one of the first key enterprises in the water-saving industry in Shandong Province [2]. - The company has developed a full-chain service system covering diagnosis, solution, implementation, and optimization, offering services such as water balance testing, water audits, water-saving evaluations, and water resource verification [2]. Group 2: Achievements and Impact - The company has provided water balance testing services to over 200 enterprises and institutions, resulting in nearly 3 million cubic meters of water savings and over 12 million yuan in water cost savings [3]. - Specific examples of water-saving implementations include optimizing a power plant's desulfurization system to save 360,000 cubic meters of water annually and assisting a textile company in achieving significant water efficiency improvements [3]. Group 3: Innovative Service Model - The company has introduced a closed-loop service model combining water balance testing and contract water-saving services, which has proven effective in identifying and implementing water-saving solutions for clients [4][5]. - A case study involving Zibo Jinhao Textile Dyeing Co., Ltd. demonstrated that the company could save approximately 20,000 cubic meters of water annually and reduce water costs by about 50,000 yuan through wastewater reuse initiatives [5]. Group 4: Social Responsibility and Advocacy - Zibo Huaze actively promotes water-saving awareness through community engagement and educational initiatives, establishing a water-saving education practice base to teach the importance of water conservation [6][7]. - The company emphasizes its commitment to ecological civilization and sustainable water resource management, aiming to create actual water-saving value for clients while enhancing its technical service capabilities [7].