天际股份连续四日涨停 遭两股东减持

Group 1 - The stock price of Tianji Co., Ltd. (002759) has experienced a continuous increase, with a rise of over 70% since August 28, leading to a four-day trading limit increase [2][3] - Major shareholders, including the controlling shareholder Shantou Tianji Co., Ltd. and over 5% shareholder Changshu Xinhua Chemical Co., Ltd., have reduced their holdings, with reductions of 1.7 million shares and 7 million shares respectively, amounting to approximately 283 million yuan and over 116 million yuan [2] - The company has disclosed progress in the industrialization of its lithium sulfide material preparation patent, which is crucial for solid-state battery production [3] Group 2 - The company is in the early stages of developing lithium sulfide materials, with a current investment of approximately 5 million yuan and a team of 7 researchers [3] - The demand for lithium sulfide is expected to reach a hundred-ton level by 2025 and potentially escalate to a thousand-ton level by 2026, indicating a rapid growth in the industry [4] - Other lithium battery upstream companies, such as Ganfeng Lithium and Tianqi Lithium, are also making advancements in lithium sulfide production [4]