红星发展(600367.SH)：掌握有四氧化三锰产品生产技术，该产品已经完成中试验证

Core Viewpoint - The company emphasizes the critical role of manganese in the development of solid-state batteries and acknowledges market judgments regarding this element [1] Production Capacity - The company has an annual production capacity of 30,000 tons for both electrolytic manganese dioxide and high-purity manganese sulfate [1] - The company possesses production technology for manganese tetroxide, which has completed pilot testing but has not yet produced any products [1]