Base Oil Import Substitution Rate Rises to 63.2%; Refinery Maintenance Widens East China Spread to ¥365/ton
Three majors’ turnarounds pulled East China base oil utilization to 68.5%; imported HVI 150 spot at ¥8,240/t, a ¥365/t premium over domestic—widest in 3 months. Downstream demand recovers at the margin but don’t chase; lock forward prices now, spread compresses after Sept North China maintenance.