Natural gas companies depend on their scale. The bigger they are, the more stable they are. For example, provincial energy companies such as Shenergy in Shanghai, Zhejiang Zhejiang Energy, Shenzhen Shenran, etc. PetroChina is the largest natural gas company in China. Subsidiary companies all offer very good remuneration, with the worst ones ranging from 200,000 to 300,000 yuan a year, so it would be best to join PetroChina