中国石油化工集团2013年2月1日表示,2013年底前有12家下属企业的提高脱硫装置将全部建成投产,2014年起全面供应国Ⅳ标准油品。中石化有关负责人介绍,目前,中石化在北京供应相当于欧洲现在实施的欧Ⅴ标准的京Ⅴ车用油,是全球最严格的标准,油品中硫含量<10ppm。在上海、珠三角、江苏、浙江等部分地区供应相当于欧Ⅳ标准的国 China Petrochemical Corporation said on February 1, 2013 that by the end of 2013, there will be 12 desalination plants under its subordinate enterprises to be completed and put into production. Since 2014, China National Standard IV oil will be fully supplied. Relevant person in charge of Sinopec, at present, Sinopec Beijing in Beijing to supply the equivalent of the current implementation of the EU Ⅴ standard Beijing Ⅴ car oil, is the world’s most stringent standards, the sulfur content of oil <10ppm. In Shanghai, the Pearl River Delta, Jiangsu, Zhejiang and other parts of the supply equivalent to the EU Ⅳ standard of the country