青云科技(688316.SH)：本次募集资金将用于投资于三个建设项目及补充流动资金

Group 1 - The company plans to raise funds primarily for three construction projects and to supplement working capital [1] - The first project is the construction of a digital factory for tantalum and niobium hydrometallurgy, with a total investment of 677 million yuan, aiming to produce various products including potassium fluotantalate and niobium pentoxide [1] - The second project involves the renovation of the tantalum and niobium pyrometallurgy smelting product production line, with an expected investment of 288 million yuan, which will increase annual production capacity for niobium and tantalum products [1] - The third project focuses on the construction of a high-end tantalum and niobium product production line, with a total investment of 281 million yuan, expected to add 145 tons per year of tantalum and niobium plate and strip products [1]