1. China punishes PetroChina unit for irregular oil trade  Reuters
  2. China Penalizes PetroChina Unit for Illegal Oil Trading  Caixin Global
  3. Unit of China oil giant ‘cooperating’ with probe into ‘irregular trading’  South China Morning Post
  4. Chinese Tax Investigation Embroils State-Owned Oil Giant  Bloomberg
  5. China punishes PetroChina for irregular trading of imported oil  Nasdaq
  6. View Full Coverage on Google News

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