东方钽业股价下跌2.71% 公司超导铌材应用于国家大科学装置

Group 1 - The stock price of Dongfang Tantalum Industry closed at 16.88 yuan on July 31, down 0.47 yuan, representing a decline of 2.71% from the previous trading day [1] - The trading volume on that day was 124,991 hands, with a total transaction amount of 213 million yuan [1] - Dongfang Tantalum Industry is primarily engaged in the production and sales of rare metal materials such as tantalum and niobium, with products including high-purity tantalum powder, high-purity tantalum ingots, and 12-inch tantalum target blanks [1] Group 2 - The company has achieved a full-process technological breakthrough in the semiconductor field [1] - The superconducting niobium materials produced by the company are mainly used in low-temperature superconducting fields, including national large scientific devices such as high-energy synchrotron radiation sources and accelerator-driven transmutation research facilities [1] - On July 31, the net outflow of main funds was 31.27 million yuan, accounting for 0.37% of the circulating market value [1]