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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 2025-07-31 Regulatory Filings
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
MONTHLY RETURN OF EQUITY ISSUER ON MOVEMENTS IN SECURITIES FOR THE MONTH ENDED 31 JULY 2025
Regulatory Filings Classification · 1% confidence The document is a structured ‘FF301 Monthly Return for Equity Issuer and Hong Kong Depositary Receipts’ filed under Chapter 19B of the HKEX Listing Rules, detailing movements in authorised, issued, and treasury shares and repurchase transactions. It is a mandated compliance return rather than an annual or interim report, earnings release, or management commentary. It does not announce a specific one‐off transaction or share issuance event, nor is it a proxy, AGM, or ESG report. The file is best classified as a general regulatory filing under Listing Rules — the fallback category ‘Regulatory Filings (RNS)’.
2025-07-31 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is a Hong Kong Exchange Form FF305 (“Next Day Disclosure Return”) disclosing changes in issued shares and treasury shares, specifically detailing on-market repurchase of shares and share buyback mandate compliance. It is not an annual or interim report, earnings release, proxy statement, etc., but a regulatory disclosure of share repurchases (treasury shares) by the issuer. This corresponds directly to our “Transaction in Own Shares” category (POS).
2025-07-23 English
SUPPLEMENTAL ANNOUNCEMENT DISCLOSEABLE TRANSACTION IN RELATION TO THE DISPOSAL OF 20% EQUITY INTEREST IN AN ASSOCIATE
M&A Activity Classification · 1% confidence The document is a regulatory announcement by CHYY Development Group Limited regarding a disclosable transaction: the disposal of a 20% equity interest in an associate. It provides detailed valuation methodology, board approvals, and reasons for and benefits of the disposal. This is not an annual report, earnings release, or share issue; instead, it is a transaction announcement concerning the sale of an equity stake. Among the defined categories, “M&A Activity (Code: TAR)” best fits announcements related to mergers, acquisitions, disposals, and other significant corporate transactions.
2025-07-17 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is a Next Day Disclosure Return (FF305) filed under Hong Kong Stock Exchange listing rules, detailing changes in issued shares and the on-market repurchase of 920,000 shares held as treasury shares. It is a direct report of the company’s own share transactions (share buybacks/transactions in treasury shares), matching the “Transaction in Own Shares” category.
2025-07-14 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is the Hong Kong Stock Exchange Next Day Disclosure Return (Form FF305) detailing share repurchases and treasury share movements (including quantities, dates, prices, confirmations of compliance with Listing Rules). It is a regulatory transaction report of the company’s buyback of its own shares. This corresponds to ‘Transaction in Own Shares’ (Code: POS).
2025-07-11 English
NEXT DAY DISCLOSURE RETURN
Transaction in Own Shares Classification · 1% confidence The document is a Hong Kong Exchange “Next Day Disclosure Return” (Form FF305) submitted by CHYY Development Group under Main Board Rule 13.25A / GEM Rule 17.27A, disclosing changes in issued shares and treasury shares, including a share repurchase of 1,000,000 ordinary shares and related confirmations. It reports the company’s purchase of its own shares (share buyback). This aligns precisely with the “Transaction in Own Shares” category (Code: POS).
2025-07-10 English

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