China Aviation Oil
A Singapore-listed aviation-fuel procurement, trading, and supply company serving China’s civil-aviation sector and international energy markets.
Last updated August 31, 2026
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Overview
China Aviation Oil (Singapore) Corporation Ltd, commonly known as China Aviation Oil or CAO, is a Singapore-incorporated aviation-fuel procurement and trading company associated with China Aviation Oil Holding Company. Established in 1993 and listed on the Singapore Exchange in December 2001, it operates as an overseas-listed platform focused primarily on jet-fuel supply for the civil-aviation industry of the People's Republic of China. The company has been described as the largest purchaser of jet fuel in the Asia-Pacific region. Its business includes purchasing aviation turbine fuel, arranging deliveries, and conducting international trading in jet fuel and other petroleum products, including fuel oil and gas oil. CAO's activities connect international oil markets with Chinese aviation demand, particularly at major airports. The company has supplied the three principal international aviation gateways identified in its reference material: Beijing Capital International Airport, Shanghai Pudong International Airport, and Guangzhou Baiyun International Airport. It has also accounted for more than 90% of China's jet-fuel imports, according to the cited Wikipedia reference. CAO's business is not limited to physical fuel supply. It has also maintained investments in oil- and aviation-fuel-related infrastructure and operating companies, including Shanghai Pudong International Airport Aviation Fuel Supply Company Ltd and China National Aviation Fuel TSN-PEK Pipeline Transportation Corporation Ltd. These interests extend its role from commodity procurement into parts of the aviation-fuel logistics and infrastructure chain. The company became internationally prominent during the 2004 derivatives-trading crisis. CAO had used oil-related derivatives to hedge aviation-fuel purchases, but its risk-management framework and internal controls did not keep pace with a more aggressive trading strategy. Traders exceeded existing limits, and the sharp rise in crude-oil prices generated substantial margin calls. CAO reported losses of approximately US$550 million, prompting a restructuring, an investigation commissioned by the Singapore Exchange, emergency support from its parent, and investment commitments involving BP and Temasek Holdings. The crisis led to the arrest and prosecution of chief executive Chen Jiulin and four other executives and became one of Singapore's most significant corporate scandals of that period. In the following years, CAO continued operating as an energy-trading and aviation-fuel company. It was later named in civil litigation concerning a 2020 oil transaction involving Swiss bank Banque de Commerce et de Placements SA and ZenRock Commodities Trading. CAO denied the allegations and maintained that the cargo had been shipped and that payment had been received through the relevant letter-of-credit bank. The company was also connected, as a trading counterparty, to allegations surrounding forged cargo-transfer and quality documents in the Hin Leong case; the available reference material does not establish that CAO itself created those documents or was found liable for the alleged conduct. For 2023, the cited reference reports revenue of US$14.4 billion, down from US$16.5 billion in 2022, while net income increased to US$58.9 million from US$33.5 million. The revenue decline was attributed to lower oil prices, reduced trading volume, and a continuing reduction in international passenger flights compared with pre-pandemic levels. These figures illustrate the company's exposure to both commodity-price movements and aviation traffic. CAO remains an active Singapore-listed company whose core identity is defined by aviation-fuel procurement, cross-border oil trading, and related supply-chain investments.
History
China Aviation Oil was incorporated in Singapore on 26 May 1993 as an overseas vehicle associated with China Aviation Oil Holding Company. Its principal role was to procure, trade, and supply aviation fuel for China's civil-aviation system while using Singapore's commercial and financial infrastructure to conduct international business. The company's activities developed around the movement of jet fuel into China and the management of related international oil transactions. CAO became a Singapore Exchange-listed company in December 2001. Listing gave the business access to public capital markets and increased disclosure and governance expectations. Its operating model combined physical fuel procurement with international commodity trading. In addition to jet fuel, the company traded products such as fuel oil and gas oil and held interests in aviation-fuel supply and pipeline businesses. The cited reference identifies investments in Shanghai Pudong International Airport Aviation Fuel Supply Company Ltd and China National Aviation Fuel TSN-PEK Pipeline Transportation Corporation Ltd. The company's most consequential historical episode occurred in 2004. CAO had begun using oil-related derivatives to hedge its jet-fuel purchases against price volatility. Its trading strategy became more aggressive, but its risk-management rules and internal controls were not adequately updated. Traders exceeded the company's stated limits, leaving CAO exposed when crude-oil prices rose above US$55 per barrel. The resulting margin calls exceeded the company's available resources and produced losses of approximately US$550 million. The losses caused a liquidity crisis and became one of Singapore's most prominent financial scandals since the collapse of Barings Bank. China Aviation Oil Holding initially supplied an emergency US$100 million loan, but that support was insufficient to resolve the problem. A restructuring followed, supported by an agreement under which China Aviation Oil Holding, BP, and Temasek Holdings invested a combined further US$130 million. The investment prevented the company from being liquidated. The Singapore Exchange commissioned PricewaterhouseCoopers to investigate the causes of the losses and assess CAO's controls, risk-management systems, and governance. Chief executive Chen Jiulin and four other executives were arrested. Chen later pleaded guilty to charges including insider trading, failure to disclose losses, false financial statements, and conspiracy relating to the sale of a company stake. After the restructuring, CAO continued as an operating aviation-fuel and oil-trading company. Its business remained closely tied to Chinese aviation demand, international crude and refined-product prices, shipping, credit, and commodity-market risk. The company also became involved in litigation connected with a 2020 transaction in which Banque de Commerce et de Placements alleged that documentation supporting a US$19 million oil cargo payment contained false representations. CAO denied the allegations and stated that the cargo had been shipped and that it had received payment from the letter-of-credit bank. CAO was also mentioned in the wider Hin Leong investigations. Those allegations concerned purportedly forged transfer and quality documents relating to oil transactions involving CAO. The available reference material presents CAO as a recipient or counterparty in the alleged documentary chain, rather than establishing that the company itself produced the documents or was legally responsible for the alleged fraud. By 2023, CAO remained active and publicly listed. The cited figures show revenue of US$14.4 billion, compared with US$16.5 billion in 2022, while net income increased from US$33.5 million to US$58.9 million. The revenue reduction was attributed to lower oil prices, lower trading volume, and a reduced level of international passenger flying compared with pre-pandemic conditions. The company's historical trajectory therefore combines expansion in aviation-fuel trading, a major derivatives and governance crisis, post-crisis restructuring, and continued participation in the international aviation-energy supply chain.
- 2023
Revenue decline and net-income growth
[1]The cited reference reports US$14.4 billion in revenue and US$58.9 million in net income for 2023.
- 2020
Oil-cargo litigation
[1]Banque de Commerce et de Placements brought a claim connected with a US$19 million oil transaction involving CAO and ZenRock Commodities Trading; CAO denied the allegations.
- 2004
Derivatives-trading crisis
[1]Oil-derivatives positions produced approximately US$550 million in losses and led to a restructuring, regulatory investigation, and criminal proceedings involving senior executives.
- 2004
Rescue financing and restructuring
[1]China Aviation Oil Holding, BP, and Temasek Holdings agreed to provide investment support that helped prevent liquidation.
- 2001
Singapore Exchange listing
[1]CAO became listed on the Singapore Exchange in December 2001.
- 1993
Incorporation in Singapore
[1]China Aviation Oil (Singapore) Corporation Ltd was incorporated on 26 May 1993.
Products and positioning
A major Asia-Pacific aviation-fuel purchaser and a cross-border supplier and trader serving China's civil-aviation market.
Aviation fuel
Jet fuel
CAO's principal product and business line is jet fuel for civil aviation. The company procures aviation turbine fuel internationally and supplies the Chinese market, including major international airports in Beijing, Shanghai, and Guangzhou. Its scale has made it a significant link between overseas petroleum markets and China's commercial-airline fuel demand.
Petroleum products
Fuel oil
Fuel oil is among the non-aviation petroleum products traded by CAO. It forms part of the company's broader international oil-trading portfolio beyond its core aviation-fuel procurement and supply activities.
Petroleum products
Gas oil
Gas oil is another petroleum product identified in CAO's trading activities. The company's involvement in this market exposes it to the same shipping, credit, documentation, and commodity-price risks that affect other cross-border refined-product transactions.
Energy infrastructure
Aviation-fuel supply and logistics investments
CAO has held investments in strategic aviation-fuel and petroleum-logistics businesses, including an airport fuel-supply company in Shanghai and a pipeline-transportation company serving the Tianjin-Beijing corridor. These interests complement its trading role by connecting procurement with storage, transport, and airport delivery infrastructure.
Controversies
2020
Banque de Commerce et de Placements litigation
BCP alleged that CAO made false representations in a US$19 million oil-cargo transaction involving ZenRock and sought damages and interest. CAO rejected the allegations and said the cargo had been shipped from Malacca and paid for through the applicable letter-of-credit bank.
2020
Hin Leong documentary-fraud allegations
Investigations into Hin Leong included allegations that forged cargo-transfer records and quality certificates were used in purported transactions involving CAO. The available material does not establish that CAO created the documents or was found liable for the alleged fraud.
2004
2004 derivatives-trading scandal
CAO incurred approximately US$550 million in losses after traders accumulated oil-derivatives positions without controls that adequately reflected the more aggressive strategy. Rising crude prices produced margin calls that the company could not meet. The episode led to restructuring, a Singapore Exchange investigation, executive arrests, and criminal proceedings.
Brand decisions
2004
Restructure after derivatives lossesStrategyBackground
CAO's expanded use of oil derivatives to hedge jet-fuel purchases outpaced its risk-management rules and internal controls, resulting in substantial margin calls and losses.
Action taken
The company entered restructuring, sought emergency assistance from its parent, and accepted investment support from China Aviation Oil Holding, BP, and Temasek Holdings.
Aftermath
The financing helped prevent liquidation, while the Singapore Exchange commissioned an independent review and senior executives faced criminal proceedings.
Reported derivatives-related loss. US$550 million loss (2004)
Recent events
- 2023
CAO reports lower revenue but higher net income for 2023[1]
Other
Reported revenue was US$14.4 billion, down from US$16.5 billion in 2022, while net income rose to US$58.9 million from US$33.5 million. The cited explanation included lower oil prices, lower trading volume, and fewer international flights.
Sources2 sources
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