However , china ' s polyester industry , which grew up during the planned economy , does n ' t possess the international competence ; and for the promotion of the high profit , china ' s polyester industry developes unusually fastly in the latest years , which brings about the highly decreasing of the price and the unbalance of the supply and demand 但是，在计划经济体制下成长起来的中国聚酯工业并不具备国际竞争力；并且近几年受高利润的驱动，国内聚酯业得以超常规无序发展，造成我国供给总量失衡，价格出现大幅度跳水。
Now , pta is in seriously short supply because of rapid development of china ' s polyester industry in recent years , and the domestic consumption of the year 2004 was greater than 1 / 3 of the world ' s total output , amounting to about 10 million tons , among which more than one half was from importing 近些年来，由于我国聚酯工业的高速发展，造成对苯二甲酸的严重短缺，国内2004年对苯二甲酸的年消费量已超过世界产量的1 / 3 ，达一千万吨左右，其中一半以上的产品依赖进口。
