... 聚合MDI价格分别下跌8.5%/6%/5.9%/4%/2.2%/2%/1.9%/1.6%/0.7%;VE/VA/烧碱/乙烯法PVC/电石法PVC/固体蛋氨酸/液体蛋氨酸/粘胶长丝/钛白粉/醋酸/纯MDI价格维持不变。
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