长鑫科技启动上市辅导，产业链人士称业内采用国产存储芯片比例在提升

Core Viewpoint - The domestic DRAM manufacturer Changxin Technology has initiated the listing guidance process, indicating a growing interest in the domestic memory chip market and a potential increase in market share for local manufacturers [1][2]. Group 1: Company Overview - Changxin Technology, established in 2016, focuses on the research, design, production, and sales of DRAM products, with the largest shareholder holding 21.67% of the company [2]. - The company is a significant player in the DRAM market, with an estimated production capacity accounting for about 10% of global DRAM chip output last year, although its actual market share remains below 10% [3]. Group 2: Market Dynamics - The DRAM market is predominantly controlled by overseas manufacturers, with SK Hynix, Samsung, and Micron holding a combined market share of 94% [3]. - Domestic manufacturers are increasing their market presence, with projections indicating that the total market share of local storage chip manufacturers could reach 10% this year, doubling from the previous year [3]. Group 3: Product Segmentation - In the first quarter of this year, Changxin Technology's market share was reported at 6%, with expectations to rise to 7.5% by the fourth quarter [4]. - The company holds a 10% share in the DDR4 market and 20% in the LPDDR4 market, while its share in the DDR5 and LPDDR5 markets is currently below 1%, projected to increase to 7% and 9% respectively by the fourth quarter [4]. Group 4: Industry Challenges - Domestic manufacturers face challenges in developing advanced DRAM products, particularly in overcoming technical hurdles related to HKMG (High-k Metal Gate) technology [7]. - The performance of storage chips is being enhanced through 3D stacking, which is crucial for applications like HBM (High Bandwidth Memory) that are increasingly used with AI chips [7]. Group 5: Competitive Landscape - The competitive landscape includes another major domestic player, Yangtze Memory Technologies, which has a valuation of 160 billion yuan, while Changxin Technology is estimated to be valued at 140 billion yuan [8].