中钢天源(002057.SZ)：截止目前电池级四氧化三锰产能35000吨

Group 1 - The core point of the article is that Zhonggang Tianyuan (002057.SZ) has successfully expanded its production capacity for battery-grade manganese tetroxide to 35,000 tons, with a new project of 10,000 tons expected to reach full production by 2024 [1] Group 2 - The company has indicated that the new project will contribute to its overall production capacity in the battery materials sector [1] - The expansion aligns with the growing demand for battery materials in the electric vehicle and energy storage markets [1] - The current production capacity of battery-grade manganese tetroxide stands at 35,000 tons, reflecting the company's commitment to increasing its output [1]