PetroChina Co said it will sell pipeline assets, a move to further reform State-owned Chinese enterprises and usher market forces into the world's second-largest economy, analysts said.

The government is also fighting high-level corruption.

PetroChina, the country's biggest pipeline network operator, said on Monday its First and Second West-East Gas Pipelines will be transferred to a new subsidiary, PetroChina Eastern Pipelines Co.