斯迪克：公司已在PI膜领域进行相关技术与产品布局，目前尚未进入规模化量产阶段

Core Viewpoint - The company has successfully commercialized PET film for foldable screens, breaking foreign monopolies, and is exploring production in the PI film sector, although it has not yet reached mass production [2] Group 1: Company Developments - The company is recognized as a leading enterprise in membrane materials [2] - The company has made technological and product advancements in the PI film area [2] - The company has not yet entered the stage of large-scale production for PI film [2] Group 2: Industry Context - The successful commercialization of PET film indicates a significant shift in the industry, reducing reliance on foreign suppliers [2] - The inquiry about the company's involvement in the Apple supply chain highlights the strategic importance of membrane materials in high-tech applications [2]