plant operating rate cut or maintenance for 3 PTA lines in the week ending Feb 10

On demand front, Yisheng announced plant operating rate cut or maintenance for 3 PTA lines in the week ending Feb 10. Yisheng New Materials reduced the operating rate of its phase I PTA line to 50% on Feb 9; Yisheng Ningbo shut its 2 million mt/yr PTA line on Feb 10 for maintenance; and Yisheng Dali