◎近年来,我国炼厂规模不断扩大,除中国石化、中国石油已分别成为世界第三和第八大炼油公司外,其旗下的一些炼厂规模也已跻身世界级规模之列。2007年底中国石化镇海炼化以2000万吨/年的炼油能力,2008年中国石油改扩建后的大连石化以2050万吨/年炼油能力,先后跻身能力超2000万吨/年世 ◎ In recent years, with the continuous expansion of the scale of China’s refineries, with the exception of Sinopec Corp. and PetroChina, which have respectively become the third and eighth largest oil refineries in the world, some of their refineries have also become world-class ones. At the end of 2007, Sinopec Zhenhai Petrochemical Refinery with 20 million tons / year of refining capacity in 2008, PetroChina after the expansion of Dalian Petrochemical to 20.5 million tons / year refining capacity, has the ability to exceed 20 million tons / world