Group 1 - The company, Wankai New Materials (301216.SZ), announced a planned reduction in PET production, starting recently [1] - The reduction involves a capacity decrease of 600,000 tons, which accounts for 20% of the company's total capacity [1] - This reduction and maintenance are expected to have a significant impact on the company's overall operating performance [1] Group 2 - The company will organize equipment maintenance during the reduction period [1] - Future resumption plans will be coordinated based on the progress of equipment maintenance and market conditions [1]