President Xi Jinping in Jiangsu investigation pointed out:"Energy security and security are related to the national economy and people's livelihood,and they are the top priorities of the country that cannot be ignored.We need to accelerate the iterative upgrading of key technologies and core products and the smart empowerment of new technologies to improve China's energy security and support capabilities."Energy security and security are the top priorities of the country that cannot be ignored.This is a profound summary of historical experience,a profound insight into reality,and a profound revelation for the future.