Gas Transmission Division, PetroChina Southwest Oil & Gasfield Company
Chongqing Gas Mine, PetroChina Southwest Oil & Gasfield Company
South Sichuan Gas Mine, PetroChina Southwest Oil & Gasfield Company
The Sales Company under PetroChina Southwest Oil & Gasfield Company
Northeastern Gas Mine, PetroChina Southwest Oil & Gasfield Company
Chongqing Natural Gas Purification Plant, PetroChina Southwest Oil & Gasfield Company
Chongqing Chuandong Development Corporation
Chongqing Kaiyuan Corporation
…
Chongqing Songzao Coal Power Plant
Chongqing Nantong Coal Mine
Tianfu Coal Mine
…