Group 1 - The core viewpoint of the article is that Kaisheng Technology clarified its business focus on display materials, specifically mentioning that it does not engage in research related to photoresist glass [2]. Group 2 - The company's display materials business includes flexible foldable glass (UTG), ultra-thin electronic glass, ITO conductive film glass, flexible touch, panel thinning, and integrated touch modules [2].

Group 1 - The core viewpoint of the article is to clarify the different positions of Longhai Electronic Glass and Shenzhen Guoxian within the display materials industry chain [2] - Longhai Glass, a wholly-owned subsidiary of Kaisheng Technology, primarily produces ultra-thin electronic glass in thicknesses of 0.7mm, 1.1mm, and 1.8mm, which can be widely used in applications such as tempered glass protective films, cover glass, and ITO conductive glass [2] - Guoxian Technology, a controlling subsidiary, mainly manufactures integrated display touch modules, which are applied in devices like tablets, laptops, smart wearables, and in-vehicle displays [2]

Group 1 - The core business of the company includes flexible foldable glass (UTG), ultra-thin electronic glass, ITO conductive film glass, flexible touch, panel thinning, and integrated display touch modules [1] - Currently, the company does not have any products used for photomasks [1]