Financial Performance - The company's operating revenue for 2022 was ¥3,619,229,983.36, representing a 52.67% increase compared to ¥2,370,688,422.91 in 2021[29]. - The net profit attributable to shareholders for 2022 was ¥1,072,060,138.37, a decrease of 26.85% from ¥1,465,644,534.55 in 2021[29]. - Basic earnings per share for 2022 were ¥0.73, a decline of 26.26% from ¥0.99 in 2021[32]. - The weighted average return on equity for 2022 was 6.97%, down from 10.06% in 2021[32]. - The company reported a quarterly revenue of ¥1,896,931,648.20 in Q4 2022, primarily due to the recognition of revenue from water pollution control projects[40]. - The company experienced a decrease in net profit attributable to shareholders in Q2 2022, reporting ¥342,552,473.93 compared to ¥192,492,015.95 in Q1 2022[34]. - The solid waste segment revenue increased by 33.33%, primarily due to the addition of sanitation projects and increased income from waste-to-energy operations[96]. - The engineering segment revenue surged by 270.99%, mainly driven by new water pollution control projects and a continuous increase in other engineering business revenues[96]. Expenses and Costs - Research and development expenses increased by 60.20% to ¥106,144,337.16, primarily due to enhanced investment in wastewater treatment technology[13]. - The company reported a 6.69% increase in sales expenses, totaling ¥50,131,392.13[13]. - Management expenses rose by 22.49%, amounting to ¥235,554,070.09[13]. - Financial expenses decreased by 16.25%, totaling ¥114,055,232.86[13]. - Operating costs increased by 79.23% to 2.883 billion yuan, primarily due to higher direct material and labor costs associated with increased engineering activities[90]. Assets and Liabilities - Total assets at the end of 2022 were ¥25,494,652,530.19, an increase of 13.36% from ¥22,490,642,057.15 at the end of 2021[32]. - The net assets attributable to shareholders at the end of 2022 were ¥15,673,326,356.65, up 3.51% from ¥15,141,971,527.58 at the end of 2021[32]. - The company's total assets reached 25.495 billion yuan, with net assets attributable to shareholders at 15.673 billion yuan, and a debt-to-asset ratio of 37.40%[81]. - The total liabilities increased, with current liabilities accounting for 5.45% of total liabilities, amounting to 1,389,313,280.40 CNY[133]. Cash Flow - The net cash flow from operating activities for 2022 was ¥301,855,006.24, down 41.82% from ¥518,822,836.01 in 2021[29]. - Operating cash inflow totaled ¥3,175,580,141.61, a 7.22% increase from ¥2,961,611,597.86 in 2021, while operating cash outflow rose by 17.64% to ¥2,873,725,135.37[123]. - The net cash flow from investment activities dropped significantly by 518.63% to -¥924,106,071.22, reflecting higher investment expenditures[126]. - Financing cash inflow rose by 20.33% to ¥4,687,183,634.56, while financing cash outflow increased by 11.56% to ¥4,386,639,594.74[126]. Research and Development - The company invested in 20 patents during the reporting period, including 4 invention patents, and published 14 papers, reflecting its commitment to technological innovation[81]. - The company completed several R&D projects in wastewater treatment technologies, including high-efficiency UV disinfection and AOA biochemical treatment processes, which are now operational[114]. - The company aims to optimize its wastewater treatment processes, achieving energy savings and reducing sludge disposal costs through innovative technologies[114]. - The company's R&D investment increased by 60.20% to ¥106,144,337.16 in 2022, representing 2.93% of operating revenue, up from 2.79% in 2021[119]. Market and Operations - The company serves approximately 94,000 households across 20 towns and streets in Zhongshan, handling 75% of the city's water supply and 57% of sewage treatment tasks[53]. - The company is actively participating in the water pollution control campaign in Zhongshan, focusing on key areas of water treatment[55]. - The company expanded its sewage treatment capacity by 300,000 tons per day through key projects, including the expansion of the Zhenjiashan sewage treatment plant[55]. - The company is focused on expanding its market share in the local water service sector through strategic project wins[55]. Investments and Acquisitions - The company established a new energy industry fund with a total scale of 3 billion RMB, investing 1.5 billion RMB in collaboration with Guangfa Securities[60]. - The company successfully acquired 100% of Zhuzhou Jinliya, adding 1,700 tons/day of waste incineration capacity[76]. - The company acquired 100% equity of Zhuzhou Jinliya Environmental Technology Co., Ltd. for CNY 600,053,370.88, with a total payment of CNY 527,922,670.35 made by the end of the reporting period[151]. - The company formed a joint venture to establish Zhongshan Public Urban Drainage Co., Ltd. with a registered capital of CNY 1,000,000,000.00, with total project investment estimated at CNY 5,560,000,000.00[151]. Related Party Transactions - The company reported a total of RMB 6,062.95 million in non-operating transactions with Investment Holding Group, with a remaining balance of RMB 6,053.97 million[200]. - The company expects the total amount of related party transactions in 2022 to not exceed RMB 1,175 million, with actual transactions amounting to RMB 543.06 million with the controlling shareholder, Investment Holding Group[194]. - The company recorded actual related party transactions of RMB 7216.05 million with Zhongshan Hot Spring Co., Ltd., exceeding the expected limit of RMB 300 million[194].

证券代码：000685 证券简称：中山公用 公告编号：2023-030 会议召开方式：网络文字互动方式 网络文字互动地址： 1.深圳证券交易所"互动易"平台"云访谈"栏目（http://irm.cninfo.com.cn）； 2.同花顺路演平台（https://board.10jqka.com.cn/ir）及同花顺App端入口（同 花顺App首页-更多-特色服务-路演平台）。 一、业绩说明会类型 中山公用事业集团股份有限公司 关于召开 2022 年度业绩说明会的公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、误 导性陈述或者重大遗漏。 重要内容提示： 会议召开时间：2023年5月18日（星期四）15:00-17:00 中山公用事业集团股份有限公司（以下简称"公司"）《2022年年度报告》及摘要 已于2023年4月27日在《证券时报》《中国证券报》《证券日报》和巨潮资讯网 （http://www.cninfo.com.cn）上披露。 为进一步加强公司与投资者的深入交流，使投资者更加全面、深入地了解情况，公 司决定以网络文字互动方式召开2022年度业绩说明会，欢迎广大投资者积极参与，公司 ...

编号：2014-003 证券代码：000685 证券简称：中山公用 中山公用事业集团股份有限公司 投资者关系活动记录表 | --- | --- | --- | |-----------------------------|------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | | | | | | √ | 特定对象调研 □分析师会议 ...