India's "self-reliance" policy: In Q1 2024, the anti-dumping duty on PPR from China rose to 28%. The domestic brand Astral Polytec expanded its production to 200,000 tons per year, but still relied on PPR pellets from China (accounting for 70% of the import volume).

Japanese antibacterial technology: Sumitomo Chemical released Ag+ ion-coated PPR in June 2024, which can kill 99% of Legionella within 24 hours, targeting hospital projects in Southeast Asia.