<div id="readability-page-1"><div> Wanhua Chemical is planning to shut petrochemical units at its Penglai Industrial Park for 30 days of maintenance starting Sunday, according to a company letter dated April 23 and seen by OPIS. The units scheduled for the shutdown include a 900,000 metric tons per year propane dehydrogenation or PDH unit and a 600,000 mt/year propylene oxide via cumene hydroperoxide unit. Wanhua said the shutdown is part of annual scheduled maintenance to ensure smooth production operations, adding that it does not expect a significant impact on overall production and operations. The maintenance comes shortly after Wanhua resumed operations at its 750,000mt/year PDH unit at its Yantai Industrial Park. The unit was taken offline in late March and restarted earlier this week. OPIS earlier reported that PDH operating rates across China are estimated to fall to 55% in April, as many plants go offline due to difficulties securing feedstock amid the Middle East conflict. Some analysts noted that Chinese firms operating multiple petrochemical sites -- including Wanhua -- may be unable to keep all units running simultaneously. &#34;Downstream demand is sluggish, and feedstock is hard to secure. Many of these companies may choose to alternate operations between sites,&#34; a Chinese source said. <pre></pre> This content was created by Oil Price Information Service, which is operated by Dow Jones &amp; Co. OPIS is run independently from Dow Jones Newswires and The Wall Street Journal. <pre></pre> --Reporting by Cheryl Lee, clee@opisnet.com ; Editing by Mei-Hwen Wong, mwong@opisnet.com <pre></pre> (END) Dow Jones Newswires April 24, 2026 03:46 ET (07:46 GMT)Copyright (c) 2026 Dow Jones &amp; Company, Inc.</div></div>

万华化学

万华化学计划从周日开始对其位于蓬莱工业园的石化装置进行为期 30 天的维护。此次停产包括一台年产 90 万吨的丙烷脱氢装置和一台年产 60 万吨的环氧丙烷装置。公司预计整体生产不会受到重大影响。这次维护是在其烟台 PDH 装置近期恢复运营之后进行的。分析师指出，由于下游需求疲软和地缘政治紧张局势导致的原料短缺，许多中国石化企业可能会面临维持运营的困难

中国万华化学将关闭蓬莱的生产装置进行维护 — OPIS