skos:altLabel | - Brion Energy
- China Petroleum
- Petro China
- PetroChina Coalbed Methane
- PetroChina Company Limited
- PetroChina International (East China) Co. Ltd.
- PetroChina Marketing
- PetroChina Tarim Oilfield Branch
- PetroChina Tarim Oilfield Co.
- Tianjin Port PetroChina Crude Oil Terminal
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