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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 1,531 across all filing types
Latest filing 2025-04-25 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会计政策变更的公告
Regulatory Filings Classification · 95% confidence The document is an announcement from Shanghai Tunnel Engineering Co., Ltd. regarding a change in accounting policies. It references new accounting standards issued by the Ministry of Finance and explains the nature, reasons, and impact of the accounting policy changes. It also details the board and supervisory committee approvals of the change. The document is relatively short (1829 characters) and does not contain actual financial statements or detailed financial data. It is an announcement about the accounting policy change rather than a full financial report or audit report. Therefore, it fits best under Regulatory Filings (RNS), which is the fallback category for miscellaneous regulatory announcements that do not fit other specific categories.
2025-04-25 Chinese
上海隧道工程股份有限公司2024年年度报告摘要
Annual Report Classification · 100% confidence The document is titled as "2024 年年度报告摘要" which translates to "2024 Annual Report Summary". It contains detailed financial data for the year 2024, including total assets, net profit, earnings per share, quarterly financial data, shareholder information, bond information, and business descriptions. The document is comprehensive and includes audited financial figures and management's discussion of business segments and operations. The length is over 13,000 characters, indicating it is a full report rather than a brief announcement. The presence of audited financial data and detailed business overview aligns with the characteristics of an Annual Report (10-K). There is no indication that this is merely an announcement or a certification, nor is it a quarterly or interim report. Therefore, the document should be classified as an Annual Report (10-K). FY 2024
2025-04-25 Chinese
上海隧道工程股份有限公司董事会关于独立董事独立性情况的专项意见
Regulatory Filings
2025-04-25 Chinese
上海隧道工程股份有限公司关于预计2025年度日常关联交易的公告
Regulatory Filings Classification · 95% confidence The document is a detailed announcement from Shanghai Tunnel Engineering Co., Ltd. regarding the expected related party transactions for the fiscal year 2025. It includes extensive data on transaction amounts, counterparties, and approval procedures by the board, independent directors, and supervisory board. The document is an announcement about anticipated related party transactions and their impact on the company, rather than a financial report or earnings release. It does not contain financial statements or earnings highlights but focuses on governance and disclosure of related party dealings. This fits the category of a Regulatory Filing (RNS) as it is a regulatory announcement about related party transactions and approvals, not a full report or financial statement.
2025-04-25 Chinese
上海隧道工程股份有限公司关于变更会计师事务所的公告
Regulatory Filings Classification · 95% confidence The document is an announcement from Shanghai Tunnel Engineering Co., Ltd. regarding the change of its accounting firm from Lixin to Zhonghui. It details the reasons for the change, the qualifications of the new firm, the audit fees, and the approval process including board and supervisory committee votes. The document does not contain any financial statements or audit reports themselves but is a formal notice about the change of auditor and the related procedural approvals. It is not an audit report or annual report but an announcement related to audit firm change. Therefore, it fits best under Regulatory Filings (RNS) as a formal regulatory announcement that does not fit other specific categories.
2025-04-25 Chinese
上海隧道工程股份有限公司2024年度内部控制审计报告
Regulatory Filings
2025-04-25 Chinese

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