Since 1993,the overseas business of the China National Petroleum Corporation(CNPC)has developed rapidly.The "overseas Daqing" was established in 2011,the oil and gas production of rights and interests exceeded 100 million tons in 2019,and the five major oil and gas cooperation zones of Central Asia-Russia,the Middle East,Africa,the Americas and the Asia-Pacific region have been established.While achievements were made in overseas business,the production and operation environment of overseas business also faced unprecedented challenges and uncertainties.