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CHYY Development Group Limited — Investor Relations & Filings

Ticker · 8128 HKEX Electricity, gas, steam and air conditioning supply
Open in API
Filings indexed 1,519 across all filing types
Latest filing 2026-01-16 Transaction in Own Shar…
Country HK Hong Kong
Listing HKEX 8128

About CHYY Development Group Limited

http://www.chyy.com.hk

CHYY Development Group Limited is an investment holding company specializing in the research, development, promotion, and utilization of shallow ground source energy. The company provides comprehensive geothermal energy solutions, primarily for building heating, cooling, and domestic hot water supply. Core activities include the manufacturing and sale of renewable energy equipment, such as geothermal energy systems, heat pump products, pump wells, and buried pipes. The Group offers installation services, technical support, and full-spectrum technical services related to shallow ground energy development. Key product offerings include Distributed Geothermal Energy Cold/Heat Source Stations and Geothermal Energy Heat Pump Environmental Systems, often leveraging proprietary single-well pumping and injection technology. The company also provides property management services.

Recent filings

Filing Released Lang Actions
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is a 'Next Day Disclosure Return' (Form FF305) filed with the Hong Kong Stock Exchange. It explicitly details the repurchase of 1,000,000 shares by the issuer (CHYY Development Group Limited) on 16 January 2026. According to the provided definitions, reports of a company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2026-01-16 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is a 'Next Day Disclosure Return' (Form FF305) filed with the Hong Kong Stock Exchange. It explicitly details a share repurchase transaction (1,000,000 shares) conducted by the issuer on 15 January 2026. According to the provided definitions, documents reporting the company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2026-01-15 English
MONTHLY RETURN OF EQUITY ISSUER ON MOVEMENTS IN SECURITIES FOR THE MONTH ENDED 31 DECEMBER 2025
Transaction in Own Shares Classification · 1% confidence The document is a 'Monthly Return for Equity Issuer' (Form FF301) filed with the Hong Kong Stock Exchange (HKEX). This form specifically reports movements in securities, including share repurchases and changes in treasury shares, as required by the Exchange Listing Rules. Since the document details the company's repurchase of its own shares, it falls under the category of 'Transaction in Own Shares'.
2025-12-31 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is a 'Next Day Disclosure Return' (Form FF305) filed with the Hong Kong Stock Exchange. It explicitly details the repurchase of shares by the issuer (CHYY Development Group Limited) on the exchange. According to the filing definitions, reports of a company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2025-12-22 English
CHANGE IN COMPOSITION OF THE NOMINATION COMMITTEE
Board/Management Information Classification · 1% confidence The document is an official announcement regarding a change in the composition of the company's Nomination Committee, specifically detailing the appointment of a new member and the resignation of another from the committee. This falls directly under the category of board and management changes.
2025-12-09 English
LIST OF DIRECTORS AND THEIR ROLES AND FUNCTIONS
Board/Management Information Classification · 1% confidence The document is a formal announcement listing the members of the Board of Directors and their respective roles and committee memberships for CHYY Development Group Limited. This type of disclosure is standard for reporting changes or current status of corporate governance and board composition, which falls under the category of Board/Management Information.
2025-12-09 English

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