我国PX几乎全部用于生产PTA。2013年我国PTA新增产能只有台化兴业(宁波)有限公司的40万t扩建项目,而原计划2013年底投产的翔鹭石化二期450万t和江苏虹港石化有限公司150万t分别延期至2014年上半年开车。截至2013年底,我国PTA生产企业仍为22家,总产能约为3 307万t,同比仅增长1.2%;受2012年下半年新投放大量PTA项目释放产能 Most of our PX is used to produce PTA. In 2013, the newly increased production capacity of PTA in our country was only the 400,000 tons expansion project of TSC (Ningbo) Co., Ltd., while the 4.5 million tons of Xianglu Petrochemical Phase II and the 1.5 million tons of Jiangsu Honggang Petrochemical Co., Ltd. originally put into operation by the end of 2013 were respectively deferred Drive to the first half of 2014. As of the end of 2013, there were still 22 PTA manufacturing enterprises in our country with a total capacity of about 30.77 million tons, an increase of only 1.2% over the same period of last year; and the release of a large number of PTA projects in the second half of 2012 will release the production capacity