Biwin Storage invests 4.5 billion yuan in Phase III advanced packaging amid stock halving
Chinese memory firm Biwin Storage announced on September 22 a 4.5 billion yuan investment in Phase III of its wafer-level advanced packaging project in Dongguan's Songshan Lake High-Tech Zone, despite Phases I and II not yet in mass production. The company reported strong H1 2026 revenue of 15.575 billion yuan and net profit of 7.166 billion yuan, but its stock has fallen over 50% from a June peak amid slowing memory price growth and negative operating cash flow of -6.261 billion yuan.
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Cross-source coverage
Common ground
- Biwin Storage's revenue and profit surged dramatically, driven by a cyclical memory price boom and AI demand.
- The company's advanced packaging business is still tiny, making up less than 1% of total revenue.
- US export controls on advanced packaging equipment create a real pressure to build capacity quickly.
- The stock has dropped 50% from its peak, reflecting market skepticism about the company's strategy.
- Biwin's inventory is very high at 54% of total assets, and operating cash flow is negative.
Points of contention
- The Eastern agent sees the investment as strategic foresight for national sovereignty, while the Regional and Neutral agents view it as reckless overexpansion.
- The Regional agent argues the state will bail out Biwin if it fails, but the Neutral agent says the government has let other chip companies fail.
- The Eastern agent believes the 95% yield on test wafers proves capability, while the others say production yields will be much lower.
- The Regional agent focuses on human costs like worker wages and regional inequality, which the Eastern agent dismisses as anecdotal.
- The Neutral agent says the investment is a binary bet on perfect execution, while the Eastern agent calls it a necessary supply chain security move.
Blind spots
- No one fully addressed how Biwin will manage its debt if the memory cycle turns down sharply before advanced packaging scales up.
- The debate lacked a clear analysis of what specific customers have committed to using Biwin's packaging services, not just memory purchases.
- The potential impact of a sudden slowdown in AI infrastructure spending by Chinese hyperscalers was mentioned but not deeply explored.
- The regional inequality critique was raised but not connected to concrete risks for Biwin's supply chain or labor stability.
WorldAttention’s read
Biwin Storage is making a high-stakes bet that could either secure a critical piece of China's semiconductor supply chain or lead to a costly overhang. The company has real strengths—strong revenue growth from AI memory demand, a clear strategic rationale tied to US export controls, and a foothold in advanced packaging. But the financial risks are severe: negative cash flow, massive inventory, and an unproven packaging business that needs to scale from near-zero to billions in revenue before the memory cycle cools. The Eastern agent frames this as necessary wartime economics, while the Regional and Neutral agents see a reckless gamble propped up by political pressure. The truth likely lies in between—Biwin's move is a calculated but fragile bet that depends on flawless execution, sustained AI demand, and continued state support. Investors and policymakers should watch closely whether Phase I and II actually deliver commercial-scale results before betting on Phase III.
Reporting timeline
Biwin Storage Plans $6.2B Investment Amid Stock Halving and Revenue Surge
Chinese memory and storage company Biwin Storage (688525.SH) announced on September 22 a planned investment of approximately 45 billion yuan ($6.2 billion) to build a third-phase wafer-level advanced packaging and testing manufacturing project in Dongguan's Songshan Lake High-Tech Zone. The announcement comes despite the company's stock price having halved from its June peak of 516.58 yuan to around 217 yuan, even as first-half 2026 revenue surged 298% year-on-year to 155.75 billion yuan and net profit turned positive at 71.66 billion yuan. The company's first and second phases of the project, with a combined investment of 30.9 billion yuan, have not yet begun mass production. Biwin cited the need to 'seize market opportunities' and advance multi-chip system-in-package and memory-compute integration technologies. However, analysts note the company faces significant financial pressure, with negative operating cash flow of -62.61 billion yuan and inventory of 181.68 billion yuan representing 54.48% of total assets. The investment comes amid concerns that the memory industry's 'super cycle' is slowing, with DRAM and NAND price growth expected to narrow sharply in Q3 2026 compared to Q2. Market observers remain skeptical about whether the company can successfully transition from a storage solutions provider to a full-stack 'storage + advanced packaging' technology service provider.
Read sourceBiwin Storage to Invest 4.5 Billion Yuan in Phase 3 of Wafer-Level Advanced Packaging Project
Biwin Storage announced on September 23 that it and its subsidiary Guangdong Xincheng Hanqi will sign a cooperation agreement with the Dongguan Songshan Lake High-Tech Zone Management Committee to invest approximately 4.5 billion yuan (4 billion yuan in fixed assets) in Phase 3 of its wafer-level advanced packaging and testing manufacturing project. The project does not involve new land acquisition and will be built within the existing industrial land. The investment, funded by self-owned and self-raised capital, was approved by the board on September 21 and does not require shareholder approval. Phases 1 and 2, with a planned investment of 3.09 billion yuan, are completed with equipment being delivered, targeting 2.5D monthly capacity of about 3,000 wafers. Phase 1 has completed factory construction and equipment installation, while Phase 2 is in customer sampling, process verification, and small-batch trial production, not yet generating mass production revenue. Biwin expects monthly capacity to reach 5,000 wafers by end-2026 and 10,000 by end-2027, with revenue contribution starting in late 2026. The company's advanced packaging yield exceeds 95%, with a projected gross margin of 30%-40%. Biwin is also developing self-designed eMMC and UFS controller chips, small-capacity NAND Flash, and expanding enterprise storage for data centers and AI servers.
Read sourceBiwin Storage Plans $4.5B Chip Packaging Investment Amid Stock Halving and Cash Flow Strain
Biwin Storage (688525.SH) announced on September 22 a plan to invest approximately 4.5 billion yuan (4 billion in fixed assets) via its subsidiary Guangdong Xincheng Hanqi to build Phase 3 of a wafer-level advanced packaging and testing project in Dongguan Songshan Lake. This comes despite Phases 1 and 2 not yet generating revenue, being in customer sampling and trial production stages. The company cites the need to seize market opportunities and advance multi-chip system-in-package technology. Financially, Biwin reported strong first-half 2026 results: revenue of 15.575 billion yuan (up 298% YoY) and net profit of 7.166 billion yuan, turning profitable. However, its stock price has fallen over 50% from a June high of 516.58 yuan to 217.22 yuan, reflecting market concerns about a slowing memory cycle. Analysts note DRAM and NAND price growth is decelerating, with the industry shifting from broad-based gains to structural demand, particularly for AI-related high-end memory. Biwin's cash flow from operations was negative 6.261 billion yuan, and inventory stood at 18.168 billion yuan (54.48% of total assets), raising questions about funding the heavy investment. The company aims to upgrade from a storage solution provider to a full-stack 'storage + advanced packaging' technology service provider.
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Biwin Storage Plans 4.5 Billion Yuan Investment in Wafer-Level Advanced Packaging and Testing
Biwin Storage (佰维存储) announced a planned investment of 4.5 billion yuan to expand its wafer-level advanced packaging and testing project, according to an article on East Money. The project, which includes phases one and two with a planned investment of 3.09 billion yuan, targets a monthly capacity of 5,000 wafers by the end of 2026 and 10,000 wafers by the end of 2027. Phase one has completed factory construction and equipment installation, while phase two is in customer sampling, process verification, and small-batch trial production. The company expects to begin generating revenue from the project by the end of 2026, contingent on successful customer qualification. In the first half of 2026, Biwin reported revenue of 15.575 billion yuan, a nearly threefold increase year-over-year, and net profit of 7.166 billion yuan. Revenue from smart mobile and AI emerging edge storage reached 6.244 billion yuan. The article states the project aims to advance key technologies in semiconductor wafer-level advanced packaging and promote industrialization of multi-chip system-in-package and memory-compute integration. The report also recommends the Kechuang Chip Design ETF (589070) as a related investment target, noting the index it tracks has risen 28.87% year-to-date.
Read sourceBiwin Storage Plans 4.5 Billion Yuan Expansion in Wafer-Level Advanced Packaging
Biwin Storage (stock code 688525) announced on September 22 a plan to invest approximately 4.5 billion yuan (4 billion yuan in fixed assets) via its subsidiary Guangdong XinCheng Hanqi to build Phase III of a wafer-level advanced packaging and testing project in Dongguan Songshan Lake High-Tech Zone. This comes as Phases I and II (total investment 3.09 billion yuan) are still in customer sampling and trial production, not yet generating mass production revenue. The company aims to boost capacity from a planned 5,000 wafers per month by end-2026 to 10,000 wafers per month by end-2027, targeting revenue contribution from late 2026. The move is driven by surging AI computing demand and a high storage industry cycle. Biwin's 2026 H1 revenue surged 298% year-on-year to 15.575 billion yuan, with net profit of 7.166 billion yuan versus a loss a year earlier. However, its stock price has fallen over 50% from a June high of 516.58 yuan to 217.22 yuan, amid concerns over slowing memory price growth. The company faces cash flow pressure with negative operating cash flow of -6.261 billion yuan and inventory of 18.168 billion yuan.
Read sourceBiwin Storage Plans $6.3 Billion Expansion in Wafer-Level Advanced Packaging Amid AI Boom
Biwin Storage (stock code: 688525), a leading Chinese memory and storage company, announced on September 22 a plan to invest approximately 45 billion yuan ($6.3 billion) in the third phase of its wafer-level advanced packaging and testing project in Dongguan's Songshan Lake High-Tech Zone. The investment, with 40 billion yuan allocated to fixed assets, will be funded by subsidiary Guangdong Xincheng Hanqi through self-raised and self-financed sources. This expansion comes despite phases one and two (total investment 30.9 billion yuan) not yet generating mass production revenue; they are currently in customer sampling and process validation stages. The company aims to achieve a monthly capacity of 5,000 wafers by end of 2026 and 10,000 wafers by end of 2027, targeting revenue contribution from late 2026. Biwin's advanced packaging services posted a 50.31% gross margin in H1 2026, though revenue was only 151 million yuan (0.97% of total). The company's H1 2026 net profit surged to 7.166 billion yuan from a loss of 226 million yuan a year earlier, driven by 433.58% growth in AI edge storage products. However, its stock price has fallen over 50% from its June 2026 peak of 516.58 yuan to 217.22 yuan, amid concerns over slowing DRAM price growth. The company faces significant cash flow pressure, with negative operating cash flow of -6.261 billion yuan and inventory of 18.168 billion yuan.
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