高端膜材料行业点评报告：商务部启动对日反倾销调查，看好高端膜材国产替代

Investment Rating - The industry investment rating is "Overweight" (maintained) [1] Core Insights - The report highlights a positive outlook for the basic chemical industry, indicating a recovery in PTA processing fees and an overall improvement in supply and demand dynamics [3][4] - The report emphasizes the potential for domestic high-end film materials to replace imports, driven by geopolitical tensions and the shift of the global optoelectronic industry to China [3] Summary by Relevant Sections Industry Trends - The basic chemical industry is projected to outperform the overall market, with a significant recovery in PTA processing fees noted [1][3] - The industry is experiencing an upward trend in overall prosperity, particularly in the polyester supply chain [3] High-End Film Materials - The report discusses the critical role of high-end film materials in the optoelectronic industry, highlighting the significant market potential and high barriers to entry [3] - Domestic manufacturers such as Dongcai Technology and Jiemai Technology are expanding their production capacities and successfully entering supply chains of major clients [3] Key Players and Developments - Dongcai Technology is rapidly expanding its optical base film capacity and diversifying its product offerings [3] - Jiemai Technology is making strides in the high-end MLCC release film market, achieving stable supply to major clients [3] - Other notable companies include Shuangxing New Materials and Sidik, which are also enhancing their production capabilities and entering domestic supply chains [3]