Group 1: Non-ferrous Metals - The demand for non-ferrous metals, particularly copper, is expected to grow continuously in the long term, while supply tightens due to low global capital expenditure and declining ore grades [4][6] - The Federal Reserve's interest rate cuts and China's focus on stabilizing domestic demand are anticipated to further enhance the price elasticity of copper [4][6] - Key regions for copper production include Chile, which is struggling to increase output, and the Democratic Republic of Congo, which has high potential for production growth [7] Group 2: Deep Sea Technology - Deep sea technology has been elevated to a national strategic level, as evidenced by its inclusion in the 2025 government work report alongside emerging industries like commercial aerospace [10][11] - The acceleration of underwater defense system construction and military-civilian integration is expected to drive growth in the deep sea industry [12] - The deep sea industry chain is divided into three main segments: upstream materials and equipment, midstream platforms and infrastructure, and downstream applications [13]