However, a tenth of that amount will be for the northern city of Tianjin. PetroChina has signed an agreement to supply the northern city - via a link from the Beijing pipeline - with 1.2 billion cubic metres of natural gas. The company has also signed an agreement with the local government of Shanxi province to supply around 2.1 billion cubic metres.
The 860 km pipeline will source its gas from the gas fields of Shaanxi province.