As a core driving force in technological development, the semiconductor industry captivates global tech enthusiasts with every breakthrough and innovation. On November 23, 2025, the 22nd China International Semiconductor Expo (IC China) grandly opened, attracting countless industry eyes as a “barometer” of the semiconductor sector. Among the many exhibiting companies, Changxin Storage undoubtedly stood out as the brightest star, showcasing a series of impressive new products that demonstrate China’s strong capabilities and infinite potential in the memory chip field.
Changxin Storage’s Stunning Theme Presentation
At this expo, Changxin Storage presented under the theme “Dual-Core Resonance, Full Power Unleashed,” showcasing its latest achievements in the memory chip sector. This theme not only reflects Changxin Storage’s collaborative innovation across its two core product lines, DDR and LPDDR, but also highlights its determination and confidence to make strides in technology, market, and industrial ecology across multiple dimensions. The booth of Changxin Storage was bustling with visitors, including industry experts, corporate representatives, and tech enthusiasts from around the world, all eager to learn about the latest developments from Changxin Storage.
DDR5 New Products: Outstanding Performance Across All Scenarios
The DDR5 products showcased by Changxin Storage were a major highlight. According to official information, the latest DDR5 products can achieve an astonishing maximum speed of 8000Mbps, representing a qualitative leap in data transmission speed, providing smoother and more efficient data support for various high-end applications. Additionally, the maximum chip capacity reaches 24Gb, further enhancing storage capacity to meet the demands of massive data storage in the big data era.
Even more noteworthy is that Changxin Storage has launched seven major modules and new products, including UDIMM, SODIMM, CUDIMM, CSODIMM, RDIMM, MRDIMM, and TFF MRDIMM, tailored for different application scenarios. These products comprehensively cover all scenarios, including servers, workstations, and personal computers. Whether for servers in large data centers, personal computers for everyday office use, or workstations in professional fields, suitable DDR5 products from Changxin Storage can be found. This not only reflects Changxin Storage’s strong R&D capabilities but also demonstrates its precise grasp of market demands. For instance, in the server domain, high-speed, high-capacity DDR5 products can significantly enhance data processing capabilities, meeting the stringent performance requirements of cloud computing and big data applications; while in the personal computer sector, the application of DDR5 products can provide users with a smoother experience, easily handling multitasking and running large software applications.
LPDDR5X: The Flagship Choice for the Mobile Market
In addition to DDR5 products, the LPDDR5X products released by Changxin Storage last month also made a stunning appearance at this expo. This series is specifically designed for flagship products in the mobile market, achieving a maximum speed of 10667Mbps, a leading speed in the mobile storage field. The maximum chip capacity is 16Gb, and it includes various packaging solutions of 12GB, 16GB, 24GB, and 32GB, providing mobile device manufacturers with a richer selection.
As smartphones and tablets become increasingly prevalent, users have higher demands for device performance and storage capacity. Changxin Storage’s LPDDR5X products, with their outstanding performance and diverse packaging solutions, can meet the needs of users at different levels. For high-end flagship smartphones, high-speed, high-capacity LPDDR5X products can provide robust operational support, ensuring smooth performance even when running large games or multitasking; while for ordinary users, the diverse capacity options allow for flexible combinations based on their usage needs and budget.
Changxin Storage: Innovation Leads, Building an Industrial Ecosystem Together
Changxin Storage stated that through breakthroughs in both DDR and LPDDR lines, it will further enrich the global supply of memory chips, creating diverse value choices for downstream customers. This not only reflects Changxin Storage’s responsibility and commitment as an industry leader but also showcases its determination to promote industrial development with an open and cooperative attitude.
In the future, Changxin Storage will continue to deepen technological iteration, increase R&D investment, and enhance product performance and quality. At the same time, it will accurately respond to market demands, providing more personalized and customized products and services based on the needs of different fields and customers. By leveraging its independent strength, it aims to lead the collaborative upgrade of the industrial ecosystem, working hand in hand with upstream and downstream enterprises to create a healthier and more prosperous semiconductor industry ecosystem.
Changxin Storage Concept Stock Overview (November 2025 Edition)
1. Core Logic
As a leading domestic DRAM manufacturer, Changxin Storage released DDR5 (8000Mbps speed + 24Gb chip) and LPDDR5X (10667Mbps speed + 16Gb chip) new products in November 2025, achieving international first-tier technology levels. Its industrial chain covers design, equipment, materials, packaging, and testing, with a clear logic for benefiting concept stocks: accelerated domestic substitution + rising prices of memory chips + expectations for mass production of HBM/high-end DRAM.
2. Core Concept Stock Classification
1. Equity Related Parties
GigaDevice (603986)
Directly holds about 1.88% equity in Changxin Storage, with niche DRAM exclusively manufactured by Changxin under a sales agreement extending to 2030.
In the first half of 2025, received orders from Changxin worth 589 million yuan, with expected annual related transactions reaching 1.161 billion yuan, jointly developing DDR4/LPDDR5 products.
Hefei Urban Construction (002208)
A subsidiary invested 450 million yuan in Changxin Technology through a fund, with the parent company Hefei Construction Investment being the largest shareholder of Changxin (holding 21.67%), providing factory construction services.
Longdi Group (603726)
Indirectly holds about 0.066% of Changxin Technology through the Ningbo Yanchuang Dexin Fund, with expected appreciation in stock value post-listing.
Shangfeng Cement (000672)
Holds shares in Shanghai Junzhi Pu Private Equity Fund, investing 200 million yuan in Changxin Technology, indirectly holding about 0.168%.
2. Equipment Suppliers
North Huachuang (002371)
Mass introduction of etching machines into Changxin’s production line, supporting advanced processes below 5nm, with a market share exceeding 50%, collaborating on 3D NAND stacking technology development.
Zhongwei Company (688012)
Provides TSV deep hole etching equipment for vertical interconnection of HBM chips, with technology on par with international leaders.
Tuojing Technology (688072)
Mass introduction of PECVD equipment into Changxin’s DRAM production line for depositing insulating dielectric films, supporting HBM 3D stacking needs.
Huahai Qingke (688120)
The only domestic manufacturer of CMP equipment in mass production, with products entering Changxin’s production line to support advanced processes, with Changxin orders accounting for nearly 20% of revenue.
Jingce Electronics (300567)
Provides wafer defect detection solutions, with 14nm bright field defect detection equipment already delivered to Changxin, with nearby service at the Hefei base.
3. Material Suppliers
Jingrui Electronics (300655)
Supplies photoresists (i-line/KrF) and wet electronic chemicals in bulk for Changxin’s 28nm and above processes, with a market share exceeding 20%, and sales in the first half of 2025 up 22% year-on-year.
Tongcheng New Materials (603650)
Produces semiconductor photoresists and display panel photoresists, with KrF photoresists already in mass production, with Changxin as one of its main domestic customers.
Yake Technology (002409)
A global leader in DRAM precursors, supplying silicon precursors and metal precursors needed for Changxin’s advanced processes below 17nm, providing KrF photoresists.
Anji Technology (688019)
CMP polishing liquids breaking international monopolies, suitable for Changxin’s processes below 17nm, with a market share exceeding 30%.
Dinglong Co., Ltd. (300054)
A major player in the localization of CMP polishing pads, achieving full category coverage of consumables, suitable for Changxin’s chip polishing needs.
Hu Silicon Industry (688126)
A core enterprise for 12-inch silicon wafers in China, providing the basic wafer materials needed for Changxin’s chip manufacturing, supporting capacity expansion.
Jinhong Gas (688106)
Supplies electronic specialty gases (high-purity ammonia, xenon) to Changxin Storage, with a purity of 99.999%.
4. Packaging and Testing Partners
Shenzhen Technology (000021)
The subsidiary Peidun Technology undertakes about 60% of Changxin Storage’s packaging and testing business, covering packaging testing and module production for advanced process chips below 17nm.
Changdian Technology (600584)
A global leader in packaging and testing, with XDFOI technology supporting HBM packaging, collaborating with Changxin to develop 16-layer stacked HBM3 products, expected to be mass-produced in 2026.
Huatian Technology (002185)
Undertakes packaging testing business for Changxin Storage’s 19nm DRAM, with a 99.5% yield rate for 3D NAND packaging technology at the Nanjing base.
Tongfu Microelectronics (002156)
HBM2E packaging has already been mass-produced in small batches, with Changxin’s entire series of 3D NAND + DRAM outsourced for packaging testing.
5. Other Supporting Enterprises
Wanrun Technology (002654)
Established Shenzhen Wanrun Storage Technology Co., Ltd. as a core supporting supplier for Changxin Storage, fully addressing supporting needs.
Bomin Electronics (603936)
IC substrate products for Changxin Storage’s sample production, applied in the DRAM packaging process.
Shangluo Electronics (300975)
One of the top five suppliers for Changxin Storage, distributing its DRAM products to the fields of new energy vehicles and AI servers, with sales revenue accounting for over 28% in 2025.
Liyuan Information (300184)
Distributes the entire range of Changxin Storage products, with customers covering consumer electronics, industrial control, etc., with orders in 2025 expected to grow over 30% year-on-year.
The launch of Changxin Storage’s DDR5/LPDDR5X new products marks a comprehensive entry of domestic DRAM technology into the high-end market, coupled with the global rise in memory chip prices driven by AI server demand, related concept stocks are expected to continue benefiting. It is recommended to focus on three main lines: the increase in domestic equipment localization rate, the simultaneous rise in material prices and volumes, and the expansion of high-end capacity in the packaging and testing sector, while being cautious of technological iteration risks and intensified market competition impacting profit margins.
Changxin Storage’s outstanding performance at the 22nd China International Semiconductor Expo showcases the rise and hope of China’s memory chip industry. We believe that under the leadership of excellent companies like Changxin Storage, the Chinese semiconductor industry will usher in a more brilliant tomorrow, shining even brighter on the global technology stage. Let us look forward to more surprises and breakthroughs from Changxin Storage in the future!
Disclaimer: This article’s material comes from official media and online news. If there are any inaccuracies, please refer to the latest information. This article does not constitute any investment advice, guidance, or commitment, and is for academic exchange only. Please read with caution. The market carries risks, and investment decisions should be made with rational independent thinking.