摘要
China National Petroleum Corporation (CNPC) is China’s largeststate-owned oil company. Most of its assets are operated by itslisted arm PetroChina Company Limited.In 2009,CNPC achieved 234 million tons of oil equivalentglobally,its domestic primary processing capacity of crude oilreached more than 140 million t/a,its ethylene capacity reached 3.71 million t/a,the total length of its oil and gas pipelines reachednearly 50 000 kilometers,and the number of its gas stations
