Group 1: Project Development - The company is currently constructing several water supply and drainage projects, including Chengdu Water Plant Phase III (remaining capacity of 400,000 tons/day) and multiple recycled water plants, which are in the debugging or trial operation stages [2][3]. Group 2: Pricing Mechanisms - The water pricing adjustment mechanism requires submission to government authorities, with adjustments contingent on cost audits and public hearings. Changes in upstream resource pricing will trigger synchronized adjustments [3]. - The sewage treatment service fee is typically adjusted every 2 to 3 years, with a current tentative price of 2.63 RMB/ton for the central urban area of Chengdu for the 2024-2026 period [3]. Group 3: Accounts Receivable Management - As the company expands its market presence, accounts receivable have increased, totaling approximately 4 billion RMB by the end of 2024. The company emphasizes the management of accounts receivable and has improved collection efforts [4]. Group 4: Business Expansion Strategy - The company aims to deepen its market presence in Chengdu and surrounding areas, optimize resource allocation, and explore mergers and acquisitions to strengthen its national market position. It also plans to extend into niche areas such as direct drinking water and waste disposal [4]. Group 5: Capital Expenditure and Shareholder Returns - The company has significant capital expenditures due to multiple ongoing projects, which are expected to decrease as projects are completed within the next 1-2 years. The company is committed to increasing cash dividends for shareholders as projects come online and capacity is released [4].

营业收入：业务收缩致营收下滑超两成 2024年，中兰环保实现营业收入64,575.35万元，较上年同期下降22.75%。从业务板块来看，污染隔离 系统业务收入为15,937.17万元，同比下降48.10%；可再生资源利用业务收入1,260.64万元，同比下降 60.52%。这主要是由于部分工程项目进度不及预期，导致相关业务收入减少。例如，公司在一些污染 隔离系统项目中，受到外部因素影响，工程进度滞后，未能按计划确认收入。 净利润：多重因素致利润下滑归母净利润：实现归属于上市公司股东的净利润1,309.50万元，较上年同 期下降36.12%。主要原因包括部分工程项目进度滞后，使得营业收入下降；同时，受下游客户资金紧 张、审批支付流程较长等影响，工程项目回款不及预期，报告期末应收款项账龄增加，计提信用减值损 失较多。扣非净利润：归属于上市公司股东的扣除非经常性损益的净利润710.09万元，较上年同期下降 54.35%。除上述影响营业收入和回款的因素外，报告期内公司加强资金管理，产生投资性收益573.33万 元，此部分为非经常性损益，导致扣非净利润下降幅度更大。 2025年4月，中兰环保科技股份有限公司（以下简称" ...