Group 1 - The steel sector is experiencing significant gains, with the only ETF tracking the industry, Steel ETF (515210), rising by 3.8% [1][4] - Historical performance shows that Steel ETF (515210) has increased by 11.84% over the past 15 days, outperforming the Shanghai Composite Index [5] - The construction of the Yarlung Tsangpo River downstream hydropower project, with a total investment of approximately 1.2 trillion yuan, is expected to benefit suppliers of hydropower equipment and core equipment for power grid projects [3][4] Group 2 - The Steel ETF (515210) tracks the CSI Steel Index, which includes publicly listed companies involved in steel manufacturing, processing, and related services, reflecting the overall performance of the steel industry [4] - Investors interested in the steel sector can consider the Steel ETF (515210) or its connecting fund (008190) for investment opportunities [7]