(美元/吨) 纯苯 价差 甲苯
H2 Oct: 1272.00 35.00 1237.00
H1 Nov: 1267.00 39.00 1228.00
H2 Nov: 1257.00 36.00 1221.00
H1 Dec: 1245.00 30.00 1215.00
H2 Dec: 1236.00 27.00 1209.00