Ju Chao Zi Xun·2025-11-16 15:49Group 1 - The core viewpoint of the articles highlights a structural and long-term shortage in the global storage industry due to increased AI investments by North American cloud service providers, leading to a significant supply gap in HDDs and a surge in demand for high-capacity QLC SSDs [2] - Major DRAM manufacturers such as SK Hynix, Samsung, and Micron, along with NAND manufacturers like Kioxia and Yangtze Memory Technologies, have seen their capacities fully utilized, indicating that the shortage issue is unlikely to be resolved in the short term, with relief expected only by the end of 2026 [2] - A-share storage module companies are currently prioritizing inventory management over order fulfillment, as the production cycle from wafer procurement to sales impacts profit margins positively when storage wafer prices rise, making inventory a critical asset [2] Group 2 - Among A-share storage module companies, Jiangbo Long leads in inventory with 8.51687 billion yuan, followed by Baiwei Storage, Demingli, Wanrun Technology, Langke Technology, and Tongyou Technology with inventories of 5.69514 billion yuan, 5.93952 billion yuan, 386.74 million yuan, 290.83 million yuan, and 138.24 million yuan respectively [3] - A-share storage module companies have been increasing R&D investments in enterprise storage, high-end consumer storage, overseas business, and self-developed main control chips, which are expected to drive profitability through internal growth factors [3] - Jiangbo Long has the highest R&D investment of 700.86 million yuan for the first three quarters of 2025, followed by Baiwei Storage with 409.93 million yuan, while Demingli, Wanrun Technology, Tongyou Technology, and Langke Technology have significantly lower investments [3] Group 3 - In terms of year-on-year growth rates for R&D investments, Langke Technology shows a notable increase of 32.2264%, followed by Demingli at 25.7229% and Baiwei Storage at 20.9762%, while Jiangbo Long, Wanrun Technology, and Tongyou Technology have much lower or negative growth rates [4] - Jiangbo Long and Baiwei Storage are positioned as leading companies in the industry, with both high inventory levels and R&D investments, which significantly exceed their peers, allowing them to build a competitive moat and widen the gap with competitors [4]