电子行业周报：国产存储双雄崛起，存储芯片国产化持续进行-20250622

Investment Rating - The industry investment rating is "Overweight" [1] Core Views - The domestic storage giants, CXMT and YMTC, have both achieved quarterly revenues exceeding 1 billion USD in Q1 2025, marking a significant milestone in breaking the long-standing international monopoly in the storage market [3][12] - The global storage market is expected to reach a scale of 167 billion USD in 2024, with a projected growth of 12% for NAND Flash and 15% for DRAM Bit capacity in 2025, driven by the acceleration of AI server deployments and growth in consumer electronics [18][27] - CXMT is expected to increase its DRAM production capacity by nearly 50% this year, with market share projected to rise from 6% to 8% by year-end [4][20] Summary by Sections Market Performance Review - During the week of June 16 to June 20, 2025, the Shanghai Composite Index fell by 0.57%, while the Shenzhen Component Index and the ChiNext Index decreased by 0.46% and 0.88%, respectively. The semiconductor sector, represented by the Shenwan Electronics Index, saw a decline of 2.17% [3][29] - The best-performing sector was LED with a decline of 0.46%, while integrated circuit packaging and testing showed a weaker performance with a drop of 3.5% [29] Key Developments in the Industry - CXMT is transitioning its production from DDR4/LPDDR4 to DDR5/LPDDR5, with market shares for DDR5/LPDDR5 expected to rise from approximately 1% to 7% and 9%, respectively [20] - YMTC has successfully achieved mass production of 294-layer 3D NAND and is advancing towards 300-layer NAND development, enhancing its competitive edge in the global market [5][13] Company-Specific Insights - CXMT has become a leader in the domestic DRAM industry, with its production base in Hefei continuously increasing capacity and improving technology to align with international standards [12][19] - The successful emergence of CXMT and YMTC is expected to inspire other domestic storage companies, leading to technological upgrades and development across the entire industry [4][19]