化工ETF(159870)开盘涨近1%，10分钟获净申购超3.5亿，政策加码PVC无汞化，或带来落后产能出清打开盈利修复空间

Group 1 - The Ministry of Ecology and Environment is accelerating the mercury-free transformation in the PVC industry, focusing on the development of mercury-free catalysts [1] - The transition to mercury-free production requires significant one-time capital expenditure, which may force some small and high-cost producers to exit the market, leading to a contraction in supply and an improvement in the overall supply-demand balance [1] - As of January 28, PVC prices were at 4,615 yuan/ton, with a price difference of -111.5 yuan/ton, indicating that prices and price differences are at the 4.3% and 13.6% percentiles since 2016 [1] Group 2 - The chemical industry is expected to see a cyclical turning point by 2026, with supply remaining tight under the third-generation refrigerant quota policy, benefiting leading companies like Juhua Co., Ltd. [2] - The industry is experiencing a recovery from its bottom, with companies like Baofeng Energy and New Chemical Materials showing differentiated performance due to new capacity releases or product price support [2] - Public funds have significantly increased their allocation to the chemical sector in Q4 2025, with a focus on leading stocks such as Wanhua Chemical and China National Offshore Oil Corporation [2]