大连石化基础油价格,150SN报8850元/吨,密度0.864,凝点-10。400SN报9050元/吨,密度0.876,凝点-8。目前炼厂暂未对外放量,贸易商报价小涨100元/吨,150SN报9150元/吨,400SN报9350元/吨。