while polyester and PTA plant operating rates are at their medium levels

Besides from the relation among products, the divergence in margins is also caused by PX and PTA operations. PX plant operating rate is currently at its lows in 2 years, with the turnaround season ongoing. In longer time span, it can be seen that PX plant operating rate has dropped obviously since the third quarter of 2021, while polyester and PTA plant operating rates are at their medium levels