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Shanghai Tunnel Engineering Co.,Ltd. — Investor Relations & Filings

Ticker · 600820 ISIN · CNE000000B83 LEI · 300300MM4YQNHL44T156 Shanghai Stock Exchange Construction
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Filings indexed 1,529 across all filing types
Latest filing 2025-05-20 Major Shareholding Noti…
Country CN China
Listing Shanghai Stock Exchange 600820

About Shanghai Tunnel Engineering Co.,Ltd.

https://www.stec.net/

Shanghai Tunnel Engineering Co., Ltd. (STEC) is a specialized infrastructure enterprise focused on the design, construction, investment, and operation of urban transit and underground engineering projects. The company provides comprehensive solutions for large-scale developments, including tunnels, subways, bridges, and highways. STEC is a pioneer in shield tunneling technology and maintains significant capabilities in the manufacturing of advanced tunnel boring machines (TBMs). Its service portfolio covers the entire project lifecycle, from initial planning and engineering to long-term maintenance and facility management. Operating across major urban centers and international markets, the company leverages technical innovation to address complex challenges in underground space development and the expansion of integrated transportation networks.

Recent filings

Filing Released Lang Actions
上海隧道工程股份有限公司关于持股5%以上股东权益变动触及1%刻度的提示性公告
Major Shareholding Notification Classification · 100% confidence The document is a formal announcement regarding a change in shareholding by a shareholder holding more than 5% of the company's shares. It details the increase in shareholding percentage, the identity of the shareholder, the method of share acquisition, and compliance with relevant securities laws. There is no financial statement, earnings data, or management discussion. The document fits the definition of a Major Shareholding Notification, which reports changes in significant share ownership levels crossing thresholds such as 1%. The document length is short and focused solely on shareholding changes, confirming it is not a full report or other type of filing.
2025-05-20 Chinese
上海隧道工程股份有限公司关于召开2024年度暨2025年第一季度业绩说明会的公告
Investor Presentation Classification · 95% confidence The document is an announcement about the scheduling and details of an upcoming earnings explanation meeting (业绩说明会) for the 2024 annual and 2025 first quarter results. It provides the date, time, location, participation method, and contact information for the meeting. It references that the 2024 annual report and 2025 first quarter report have already been published on April 26 and April 30, respectively, but this document itself does not contain any financial data or results. It is clearly an announcement of an investor presentation event focused on discussing financial results, not the presentation or report itself. Therefore, the document fits the category of Investor Presentation (IP) as it is about a detailed presentation for investors focusing on financials and strategy, scheduled to be held via video and online interaction.
2025-05-19 Chinese
上海隧道工程股份有限公司关于控股股东增持公司股份计划的公告
Major Shareholding Notification Classification · 100% confidence The document is an announcement regarding the controlling shareholder's plan to increase their shareholding in the company. It details the shareholder's identity, the amount and percentage of shares to be increased, the purpose of the increase, the method of purchase, and risk warnings. There are no financial statements, earnings data, or regulatory certifications. The document is a formal disclosure of a shareholding increase plan by a major shareholder, which fits the category of Major Shareholding Notification (MRQ). The document length is 2367 characters, which is consistent with an announcement rather than a full report. Therefore, the appropriate classification is MRQ.
2025-05-16 Chinese
上海隧道工程股份有限公司第十届董事会第四十四次会议决议公告
Board/Management Information Classification · 95% confidence The document is a formal announcement of resolutions passed at a board meeting of Shanghai Tunnel Engineering Co., Ltd. It details the convening of the 44th meeting of the 10th board, attendance, voting results on various proposals including acquisition approval, board member appointment, and bond issuance adjustments. The content focuses on board decisions and changes, including the appointment of an independent director and approval of financial and corporate actions. There is no financial statement or detailed financial report data, nor is it a general regulatory filing or announcement of a report publication. The document fits the category of Board/Management Information (MANG) as it announces board meeting resolutions and management decisions.
2025-05-13 Chinese
上海隧道工程股份有限公司2025年第一季度报告
Interim / Quarterly Report Classification · 100% confidence The document is titled as the "2025 First Quarter Report" of Shanghai Tunnel Engineering Co., Ltd. It contains detailed financial statements including balance sheet, profit and loss statement, and cash flow statement for the first quarter of 2025. The report includes unaudited financial data, key financial metrics, shareholder information, and explanations of non-recurring gains and losses. The presence of comprehensive quarterly financial data and analysis indicates this is a quarterly financial report rather than an announcement or a summary. The document length is over 13,000 characters, which supports it being a full report rather than a brief announcement. Therefore, the document fits the definition of an Interim / Quarterly Report (IR). Q1 2025
2025-04-29 Chinese
上海隧道工程股份有限公司第十届董事会第四十三次会议决议公告
Board/Management Information Classification · 95% confidence The document is an announcement of the resolutions passed at the 43rd meeting of the 10th Board of Directors of Shanghai Tunnel Engineering Co., Ltd. It includes details about the meeting attendance, voting results, and approvals of various proposals such as the 2025 Q1 report, disposal of financial assets, operational authorization, and investment establishment. The document is a formal announcement of board decisions rather than the full report itself. It does not contain detailed financial statements or comprehensive management discussion. Therefore, it fits the category of Board/Management Information (MANG), which covers announcements of changes or decisions by the board of directors.
2025-04-29 Chinese

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