What are the six bases of new petroleum energy in China?

Yumen Oilfield Clean Transformation Demonstration Base, Daqing Oilfield Green Low Carbon Sustainable Development Comprehensive Demonstration Base, Jilin Oilfield Photovoltaic Power Generation Demonstration Base, Beijing-Tianjin-Hebei Geothermal Heating Demonstration Base, Qinghai Oilfield Clean Power Base and Xinjiang Green Energy Industrialization Development Demonstration Base. The six new energy bases in China refer to the new energy industrial bases established by China Petroleum Group in six regions of China, aiming at promoting the development and utilization of renewable energy. These bases are Yumen Oilfield Clean Transformation Demonstration Base, Daqing Oilfield Green Low Carbon Sustainable Development Comprehensive Demonstration Base, Jilin Oilfield Photovoltaic Power Generation Demonstration Base, Beijing-Tianjin-Hebei Geothermal Heating Demonstration Base, Qinghai Oilfield Clean Power Base and Xinjiang Green Energy Industrialization Development Demonstration Base.