China Oil And Gas Group Limited
CLSZF · OTC
Company research
China Oil and Gas Group Limited (CLSZF) is an investment holding company headquartered in Causeway Bay, Hong Kong, principally engaged in natural gas and energy-related businesses across the People's Republic of China and Canada. The company operates through four key segments: sales and distribution of natural gas and related products (including CNG and LNG), gas pipeline construction and connection, exploitation and production of crude oil and natural gas, and production and sales of coal-derived clean energy products. With trailing twelve-month revenues of approximately HK$15.16 billion, the Group serves a substantial customer base of roughly 1.76 million residential users and over 15,600 industrial and commercial accounts. Led by CEO Tie-liang Xu and employing approximately 4,648 staff, China Oil and Gas Group has been publicly listed since 1993 and carries a market capitalisation of approximately HK$987 million.
Research reports
Algorithmic “Snowflake” fundamental analysis finds China Oil And Gas trading far below its proprietary fair value estimate, but flags highly illiquid trading, earnings that have fallen over 30% annually over five years, very thin profit margins, and leverage that leaves debt only modestly covered by cash flow, yielding a mixed overall investment profile across valuation, growth, profitability, and financial health factors.
Morningstar · May 28, 2026China Oil And Gas Group Ltd (CLSZF) – Quantitative Rating SnapshotMorningstar’s quantitative model (not human-analyst coverage) indicates CLSZF is trading at a large premium to its algorithmic fair value estimate, assigns a “High” uncertainty rating, and provides detailed valuation, balance-sheet, and profitability metrics that collectively suggest an unfavorable risk‑reward skew without issuing a formal buy/hold/sell recommendation.
Quartr · March 27, 2026China Oil And Gas Group (603 HK) H2 2025 Earnings SummaryThis H2 2025 earnings-event summary highlights a 14.1% year‑on‑year revenue decline and lower gross profit alongside a return to profitability for shareholders, and relays management’s emphasis on integrated energy projects, digital transformation, Canadian upstream optimization, and enhanced risk management as the key strategic drivers going forward, without providing an explicit external rating or target price.