振石股份：公司主要产品为清洁能源功能材料和其他纤维增强材料

Group 1 - The core product of the company is clean energy functional materials and other fiber-reinforced materials, which are not currently applied in high-speed communication optical fiber cables in the optical communication field [2] - The company's main business focuses on clean energy sectors such as wind power and photovoltaics [2] - The company plans to cautiously evaluate the potential for expansion into other fields based on market demand and technological accumulation in the future [2]