国元证券股份有限公司 关于中达安股份有限公司 之 发行保荐书 保荐人（主承销商） （安徽省合肥市梅山路 18 号） 二〇二五年八月 声 明 国元证券股份有限公司（以下简称"国元证券""保荐机构""本保荐机构" 或"保荐人"）接受中达安股份有限公司（以下简称"中达安""发行人"或"公 司"）委托，担任其向特定对象发行股票的保荐机构，为本次发行出具发行保荐 书。 保荐机构及指定的保荐代表人根据《中华人民共和国公司法》 （以下简称"《公 司法》"）、《中华人民共和国证券法》（以下简称"《证券法》"）、《上市 公司证券发行注册管理办法》（以下简称"《注册管理办法》"）、《〈上市公 司证券发行注册管理办法〉第九条、第十条、第十一条、第十三条、第四十条、 第五十七条、第六十条有关规定的适用意见——证券期货法律适用意见第 18 号》 （以下简称"《适用意见第 18 号》"）等有关法律、法规和中国证券监督管理 委员会（以下简称"中国证监会"）、深圳证券交易所（以下简称"深交所"） 的有关规定，诚实守信，勤勉尽责，严格按照依法制订的业务规则、行业执业规 范和道德准则出具发行保荐书，并保证所出具文件的真实性、准确性和完整性。 若 ...

Financial Performance - The company's total revenue for the first half of 2025 was 1.517 billion, a year-on-year decrease of 17.12% [1] - The net profit attributable to shareholders was 146 million, down 37.26% year-on-year [1] - In Q2 2025, total revenue was 614 million, a decline of 26.35% year-on-year, with net profit of 58.82 million, down 62.87% [1] - The gross margin was 13.98%, an increase of 10.68% year-on-year, while the net margin was 10.05%, a decrease of 24.94% [1] - Total expenses (selling, administrative, and financial) amounted to 110 million, accounting for 7.26% of revenue, an increase of 47.09% year-on-year [1] - Earnings per share were 0.24, down 35.14% year-on-year [1] Operational Insights - The company has a significant amount of accounts receivable, with accounts receivable accounting for 205.59% of the latest annual net profit [1] - The company’s cash flow situation is healthy, with operating cash flow per share at 0.72, an increase of 242.18% year-on-year [1] - The company’s return on invested capital (ROIC) was 6.55%, indicating average capital returns [2] - The company has been actively involved in urban renewal projects, participating in over 30 projects [6][7] Strategic Developments - The acquisition of Tongji Testing is aimed at enhancing the company's engineering consulting capabilities and expanding its service offerings [3] - The company is focusing on international expansion, having undertaken significant projects in countries like Senegal and Kazakhstan [5] - The company is aligning its strategies with national policies, particularly in urban renewal and infrastructure development [6][7] - The company aims to leverage its brand and technical expertise to become a benchmark service provider in urban renewal [7]

Core Points - The company has signed a comprehensive engineering consulting service contract for the Hebei Handan Million Chicken Agricultural Technology Industrial Park, with a total contract value of 175.44 million yuan [1][2][4] - The project involves various consulting services including project management, engineering surveying, planning and design, supervision, cost consulting, bidding agency, financing consulting, and other specialized evaluation consulting [1][2] - The company will undertake a portion of the contract amounting to 131.05 million yuan, which represents 1.07% of the company's projected total revenue for 2024 [4] Contract Details - The contract is between Shenzhen Chenkai Investment Holdings Co., Ltd. as the client and a consortium led by Beijing Xing International Engineering Management Co., Ltd. [2][3] - The service period extends from the signing of the contract until the project completion and acceptance [3] - The consortium members are jointly responsible for providing the consulting services and bear joint liability [3] Impact on the Company - The execution of this contract is expected to enhance the company's professional technical level, comprehensive performance capabilities, and market expansion ability in the domestic engineering consulting sector [4] - The project is significant in scale and contract value, indicating the company's strong position in the engineering consulting industry [4]