According to data released by Japan Petrochemical Industry Association on May 29, production of ethylene in April was at 451,900mt, up 14.5% year-on-year. No ethylene facilities underwent maintenance in April. Compared to the previous month, production increased 1.4%. Operation rates of ethylene facilities in April were at 78.6%, down 4.1 points year-on-year and up 3.5 points month-on-month. Turnaround took place at two companies' two facilities in April 2024. In March and April 2025, no facilities underwent turnaround.