【文章摘要】 <正> Rapid development of the UPRsectorThe brisk demand for unsaturated polyesterresin (UPR) for use in downstream productshas promoted rapid development of the UPRsector in China in recent years.Outputreached 1.45 million tons in 2008 and the averageannual growth was 17% during 2001-2008.There were 150 producers with a capacityof over 5 000 t/a.When the importvolume of 52 000 tons and the export volume |