Cambodia imports virtually all its petroleum products—it has no commercial oil production or refining capacity. The supply chain relies on regional refiners and traders, with Southeast Asian neighbors dominating the market.
| Source Country | Approx. Share | Key Details |
|---|---|---|
| Singapore | ~45-50% | Major refining hub (Jurong Island); trades crude from Middle East, processes, exports products |
| Thailand | ~20-25% | Thai refineries (Bangchak, PTT, ESSO, IRPC, SPRC); land/river transport to Cambodia |
| Vietnam | ~15-20% | Dung Quat refinery (Quảng Ngãi); growing exports via coastal shipping |
| China | ~5-10% | Increasing; Chinese refiners (Sinopec, PetroChina) expanding regional trade |
| Malaysia | ~3-5% | Petronas, Petron, Shell Malaysia refineries |
| South Korea/Japan | <5% | Spot cargoes via traders |
Cambodia's oil security rests on Southeast Asian refining integration—Singapore's dominance reflects its unmatched refining-trading-logistics ecosystem. Diversification (Vietnam, China) is slowly reducing that concentration.