1, the predecessor is different: China Petroleum's predecessor is China Petroleum and Natural Gas Corporation, which is in charge of oil exploitation, storage and transportation, and is basically an upstream business. China Petrochemical, formerly known as sinopec group, was founded in 1983, mainly engaged in oil refining, petrochemical and refined oil distribution.
2. Different regions: Different regions, PetroChina has more oil fields than Sinopec. PetroChina and Sinopec are basically divided into north and south, and north and south. That is, the north is the site of PetroChina and the south is the site of Sinopec. In recent years, there has been a breakthrough, just like Netcom and Telecom began to travel from south to north.
3. Different types of enterprises: China Petroleum is a production enterprise, and the full name of China Petroleum is China Petroleum and Natural Gas Co., Ltd., China Petrochemical is a sales enterprise, and the full name of China Petrochemical is China Petrochemical Co., Ltd.