AnAn International Ltd engages in trading of petrochemical, fuel oil, and petroleum products. It operates a trading system based out of Singapore which uses market mechanisms in international shipping, financial services, and market trading. Operations involve midstream and downstream resources in the oil and petrochemical industries to undertake commodity trading. CEFCI trades in crude oil, light end, middle distillate, heavy end products, and chemicals products. It depends on strategic partnership agreements globally for long-term supply and sales channels and its business network in China's energy market. Its partnerships include national oil companies, integrated oil companies, refineries and distributors, and independent traders.