表加氢苯产业链价格波动一览表单位：元/吨产品春节前春节开市现在节前-节后节前-现在布伦特78.5983.5683.556.32%6.31%粗苯6670727068509.00%2.70%华东纯苯8580883583302.97%-2.91%加氢苯7900860081008.86%2.53%苯乙烯9110938090352.96%-0.82%己内酰胺13750