据报道，中国海关8月25日公布的数据显示，中国7月份丁二烯进口量增加了一倍以上，由6月的13,941吨增加至34,664吨。与上年同期相比，2012年7月份的进口量比去年同月的4,275吨高出8倍。

According to the report，China's customs August 25 figures showed，In July China butadiene imports more than doubled，By June 13,941 tons of increased to 34,664 tons of。Compared with the same period last year，In July 2012 the import volume of the four than last year,275 tons of was more than 8 times。

中国丁二烯进口量(吨) 

Chinese butadiene imports(tons)