2019-2025年8月中旬聚氯乙烯（SG5）市场价格变动统计图 数据来源：国家统计局 相关报告：智研咨询发布的《2025-2031年中国聚氯乙烯行业竞争战略分析及市场需求预测报告》 根据国家统计局公布的数据，化工产品类别下的聚氯乙烯（SG5）2025年8月中旬市场价格为4876.5元/ 吨，同比下滑11.04%，环比下滑0.92%，纵观近5年同时期其价格，2021年8月中旬达到最大值，有9344 元/吨。 ...

Group 1 - The core viewpoint of the article highlights the market price of polyvinyl chloride (SG5) in late July 2025, which is reported at 5056.7 yuan/ton, reflecting a year-on-year decline of 10.5% but a month-on-month increase of 4.07% [1] - The article notes that the price of SG5 has seen significant fluctuations over the past five years, with the highest recorded price being 9246 yuan/ton in late July 2021 [1]