Core Viewpoint - The announcement details a scheduled maintenance shutdown of the PDH unit at Tianjin Bohai Chemical's wholly-owned subsidiary, which is part of the company's annual plan to ensure safe and effective operation of production facilities [1] Group 1: Company Operations - The PDH unit, with a capacity of 600,000 tons per year, will undergo maintenance starting from July 29, 2025, for an estimated duration of 18 days [1] - This maintenance is routine and part of the annual plan, indicating that it is not expected to have a significant impact on the company's overall production operations [1]