1. Yamei Energy: a private enterprise mainly engaged in unconventional natural gas development, mainly involved in the development of two coalbed methane blocks in panzhuang and Mabi.

2. Kunlun Energy: a comprehensive energy enterprise involving the whole industrial chain of natural gas, with several LNG receiving stations and urban gas projects.

3. China Resources Gas: an investment holding company mainly engaged in urban gas distribution business, with a nationwide franchise for urban gas.

4. China Resources Gas: an investment holding company mainly engaged in urban gas distribution business, with a nationwide franchise for urban gas.

5. Guanghui Energy: an enterprise mainly engaged in the production and sales of LNG, with several LNG liquefaction plants and receiving stations.