[Wanhua Chemical: Yantai Industrial Park Phase II Ethylene Unit Suspends Production for Maintenance] On October 8, Wanhua Chemical (600309.SH) announced that according to the characteristics of the chemical enterprise's production process and in order to ensure the safe and effective operation of the production equipment, in accordance with the annual maintenance plan, Wanhua Chemical Yantai Industrial Park's 1.2 million tons/year ethylene phase II unit will begin shutdown for maintenance on October 10, 2026, and the maintenance is expected to last about 60 days. During this period, the first phase of the 1.2 million tons/year ethylene unit in Yantai Industrial Park was in normal production. This shutdown for maintenance is a routine maintenance carried out according to the annual plan and will not have a significant impact on the company's production and operations.