Skip to main content
BII Railway Transportation Technology Holdings Company Limited logo

BII Railway Transportation Technology Holdings Company Limited — Investor Relations & Filings

Ticker · 1522 HKEX Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
Filings indexed 674 across all filing types
Latest filing 2026-04-29 Regulatory Filings
Country HK Hong Kong
Listing HKEX 1522

About BII Railway Transportation Technology Holdings Company Limited

http://www.biitt.cn

BII Railway Transportation Technology Holdings Company Limited is an investment holding company focused on the urban rail transit sector. The Group integrates investment, financing, technology research and development, and intelligent rail transport system construction. Its core business involves the design, implementation, sale, and maintenance of comprehensive application solutions for intelligent railway systems. Key offerings include Intelligent Passenger Information Services, Data and Integration Services, traffic integration systems, subway civil communication systems, and automatic ticket checking systems. The company specializes in providing networking and controlling systems for public transport infrastructure, aiming to build a better world with intelligent rail transit.

Recent filings

Filing Released Lang Actions
VOLUNTARY ANNOUNCEMENT BUSINESS UPDATE
Regulatory Filings Classification · 1% confidence The document is a voluntary business update announcement by a Hong Kong–listed company disclosing contract wins, project backlog and R&D milestones. It does not contain audited financial statements or formal quarterly results, nor is it an investor presentation or management change notice. It is an ad hoc regulatory announcement that does not fit other specific categories, so it falls into the general “Regulatory Filings” fallback category.
2026-04-29 English
NOTIFICATION LETTER TO SHAREHOLDERS (NOTICE OF PUBLICATION OF ENVIRONMENTAL, SOCIAL AND GOVERNANCE REPORT 2025)
Report Publication Announcement Classification · 1% confidence The document is a short shareholder notification (≈2,059 characters) informing investors that the Environmental, Social and Governance Report 2025 has been published and is available on the company and HKEX websites, offering a link and instructions to request printed copies. It does not contain the ESG report itself, but simply announces its publication. Under the “menu vs meal” rule, this is a Report Publication Announcement.
2026-04-29 English
ENVIRONMENTAL, SOCIAL AND GOVERNANCE REPORT 2025
Regulatory Filings
2026-04-29 English
ANNUAL REPORT 2025
Regulatory Filings
2026-04-29 English
MONTHLY RETURN OF EQUITY ISSUER ON MOVEMENTS IN SECURITIES FOR THE MONTH ENDED 31 MARCH 2026
Regulatory Filings Classification · 1% confidence The document is a standardized monthly return (Form FF301) submitted to the Hong Kong Exchange, reporting movements in share capital, issued shares, public float confirmation, and related confirmations under the Exchange Listing Rules. It is a routine regulatory submission rather than a standalone financial report, earnings announcement, board change, or dividend notice. This type of regulatory compliance filing does not fit more specific categories and thus falls under the general ‘Regulatory Filings’ (RNS) category.
2026-04-08 English
FINAL DIVIDEND FOR THE YEAR ENDED 31 DECEMBER 2025
Notice of Dividend Amount Classification · 1% confidence The document is a cash dividend announcement on the Hong Kong Exchange platform, providing the final dividend per share, record dates, payment dates, ex-dividend date, book closure period, and related withholding tax information. It does not contain financial statements or broader report content, but specifically announces dividend details. This matches the definition for a Notice of Dividend Amount (Code: DIV).
2026-03-30 English

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.