Group 1: Conference Information - The 9th International Carbon Materials Conference and Industry Exhibition (Carbontech 2025) will be held from December 9-11 at the Shanghai New International Expo Center, featuring the Carbontech2025 Diamond Annual Meeting with renowned experts and companies invited to participate [1][4]. - The conference will include various activities such as opening ceremonies, user tours, and specialized sessions on diamond applications and carbon materials [11][12]. Group 2: Company Investment - Lianlong announced a strategic investment of 50 million yuan in Shenzhen Stof New Materials Technology Co., Ltd., acquiring a 25% stake, while Tianjin Tiankai Haihe Haitang Higher Education Venture Capital Partnership contributed 10 million yuan for a 5% stake, valuing Stof at 200 million yuan post-investment [3]. - Lianlong's investment aligns with its strategy to expand into new materials, leveraging synergies between its existing electronic-grade PI materials and Stof's electronic adhesives, which are critical in semiconductor packaging and display panels [4]. Group 3: Market Trends - The demand for electronic adhesives, particularly high-end products, is growing in sectors such as semiconductors and new energy vehicles, with a significant reliance on imports for advanced products [3]. - Stof is one of the few domestic companies mastering core technologies like anisotropic conductive adhesives and nano-imprinting adhesives, establishing R&D systems in multiple locations including Tianjin, Shenzhen, Shanghai, and Yokohama, Japan [3].