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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 2025-11-18 Regulatory Filings
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上海建元股权投资基金合伙企业（有限合伙）清算期延长的公告
Regulatory Filings Classification · 95% confidence The document is an announcement regarding the extension of the liquidation period of an investment fund associated with the company. It details the background of the fund, the extension decision, and its impact on the company. There are no financial statements, earnings data, or detailed management analysis. The document is relatively short (1619 characters) and serves as a formal announcement of a corporate event related to fund management and governance. It does not fit into categories like Annual Report, Interim Report, or Earnings Release. It is not a regulatory certification or officer attestation. The content aligns best with a Regulatory Filing (RNS) as it is a general regulatory announcement about a corporate event that does not fit other specific categories.
2025-11-18 Chinese
上海隧道工程股份有限公司2025年第三季度报告
Interim / Quarterly Report Classification · 100% confidence The document is titled "上海隧道工程股份有限公司 2025 年第三季度报告" which translates to "Shanghai Tunnel Engineering Co., Ltd. 2025 Third Quarter Report." It contains detailed financial data including income statements, balance sheets, cash flow statements, and notes for the third quarter of 2025. The report explicitly states it is a quarterly report (third quarter) and includes unaudited financial statements and management assurances about the accuracy of the report. The length of the document (approximately 15,000 characters) and the presence of comprehensive financial data confirm it is a substantive financial report rather than a brief announcement or certification. Therefore, this document fits the definition of an Interim / Quarterly Report (IR). 9M 2025
2025-10-30 Chinese
上海隧道工程股份有限公司关于2025年前三季度主要经营情况更正公告
Regulatory Filings Classification · 95% confidence The document is a correction announcement regarding previously disclosed operating data for the first three quarters of 2025 by Shanghai Tunnel Engineering Co., Ltd. It corrects specific statistical errors in contract amounts and business proportions. The document is short (2001 characters) and primarily serves to amend prior disclosed information rather than presenting a full financial report or detailed analysis. It does not contain comprehensive financial statements or substantive financial data but is an announcement correcting previously released operational data. Therefore, it fits best as a Regulatory Filing (RNS), which is the fallback category for miscellaneous regulatory announcements that do not fit other specific categories.
2025-10-20 Chinese
上海隧道工程股份有限公司2025年前三季度经营情况公告
Regulatory Filings Classification · 90% confidence The document is titled as a "2025年前三季度主要经营情况公告" which translates to "Main Operating Conditions Announcement for the First Three Quarters of 2025." It provides detailed operational data for the first three quarters of the year, including project bidding, business categories, and order volumes. The document is relatively short (1359 characters) and focuses on business performance statistics rather than full financial statements or comprehensive analysis. It does not contain full financial statements or detailed financial analysis typical of an Interim/Quarterly Report (IR). Instead, it is an announcement of operating conditions and business updates for a partial fiscal period. Given the nature and length, it fits best under Regulatory Filings (RNS), which is the fallback category for miscellaneous regulatory announcements that do not fit other specific categories.
2025-10-17 Chinese
上海隧道工程股份有限公司2025年半年度权益分派实施公告
Notice of Dividend Amount Classification · 100% confidence The document is a detailed announcement regarding the company's 2025 semi-annual dividend distribution plan, including dividend per share, relevant dates, tax treatment, and implementation details. It references the shareholders' meeting approval and board meeting decisions related to the dividend. The document is not a full financial report but a specific announcement about dividend distribution. It fits the definition of a Notice of Dividend Amount (DIV), which covers announcements of dividend amounts, payment dates, and details for shareholders. The document length is 2427 characters, which is consistent with a detailed dividend announcement rather than a full report. Therefore, the correct classification is DIV.
2025-10-16 Chinese
上海隧道工程股份有限公司第十届董事会第五十一次会议决议公告
Board/Management Information Classification · 95% confidence The document is an announcement of the resolutions passed at the 51st meeting of the 10th Board of Directors of Shanghai Tunnel Engineering Co., Ltd. It details the convening and attendance of the board meeting, the approval of various proposals including the board work report, board re-election, and other corporate matters. The document does not contain full financial statements or detailed financial performance data, but rather focuses on board meeting decisions and changes in board composition. This fits the category of Board/Management Information (MANG), which covers announcements of changes in the company's board or senior management.
2025-10-14 Chinese

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