Hengka shares: Subsidiary Hengka Chemical completes annual maintenance plan and resumes operations.

Announcement from Xinghua Corporation: Its wholly-owned subsidiary Xinghua Chemical began routine maintenance on June 29, 2025, with an expected duration of 34 days. During the maintenance period, the company replaced the catalyst of the methylamine unit, the filter element of the methanol unit separator, the catalyst of the ethanol unit, and the thermocouple. They also conducted an upgrade on the sulfur recovery unit, performed maintenance on large operating equipment, and cleaned and inspected some devices. As of the date of this announcement, Xinghua Chemical has completed all maintenance plans and fully resumed production operations on August 6, 2025.