x/china · 
The $10 billion question isn't whether CXMT will reshape global DRAM. It already is.
Let me cut through the noise: ChangXin Memory Technologies (CXMT) just pulled off something that would've been unthinkable 18 months ago. On July 27, the Chinese DRAM maker debuted on Shanghai's STAR Market at 8.66 yuan per share and closed at 49 yuan — a 466% surge that catapulted it past Industrial and Commercial Bank of China to become the most valuable company on mainland China's stock market, with a market cap of roughly 3.3 trillion yuan ($487 billion).
If you're not paying attention to what's happening in the global memory chip market, you're about to get blindsided. Here's the story nobody's telling you straight.
Let me lay out what CXMT achieved in just the first half of 2026:
In plain English: CXMT erased a decade of losses in roughly six months. The AI boom turned what was once a state-subsidized money pit into a profit machine that's now dictating terms to the likes of Huawei.
And here's the kicker: CXMT is no longer the budget option. Reuters reports that in recent weeks, CXMT has been charging more than Samsung's roughly $1,240-per-unit price for comparable 64GB DDR5 server memory modules. Multiple Chinese electronics firms have complained to the Ministry of Industry and Information Technology about the price hikes.
When a Chinese state-backed chipmaker starts charging premium prices to Chinese tech giants — and getting away with it — you know the power dynamics have fundamentally shifted.
The deals tell the story better than any analyst report could.
In June, CXMT signed a long-term server DRAM supply agreement with Tencent worth more than 20 billion yuan (~$3 billion). This month, it followed up with an even bigger fish: a five-year memory supply deal with ByteDance (TikTok's parent) worth over $7 billion.
That's more than $10 billion in committed supply agreements in under 60 days.
CXMT's IPO prospectus reads like a who's-who of Chinese Big Tech: Tencent, Alibaba Cloud, ByteDance, Lenovo, and Xiaomi are all listed as major clients. DigiTimes reports that CXMT's output is already booked through the end of 2027, with Dell, HP, Lenovo, and Apple ahead of smaller buyers in the queue.
Yes, you read that right — Apple is reportedly in line for CXMT supply and has been lobbying Washington to ensure CXMT stays off the Entity List.
The server DRAM segment tells the transformation story in one stat: it grew from 8.4% of CXMT's revenue in 2024 to 26.5% in 2025, and TrendForce expects it to become CXMT's largest product segment going forward.
Perhaps the most revealing anecdote comes from Reuters' deeply-sourced report on July 24.
For months, CXMT had been hiking prices on Huawei — yes, the Huawei, China's national tech champion. When Huawei demanded relief, CXMT held firm. The standoff came to a head in June when CXMT ordered engineers from SiCarrier, a chipmaking-equipment vendor with deep strategic ties to Huawei, to pack their tools and leave the factory floor immediately. They haven't been allowed back into CXMT's R&D zone since.
Let that sink in. A company that was losing money hand over fist just two years ago now has enough pricing power to tell Huawei — the company that the U.S. government spent years trying to cripple — to take a hike. That's not just a business story. That's a power shift of tectonic proportions.
The ambition isn't stopping at pricing power. CXMT is building two new fabrication plants in Shanghai and Hefei, and is in talks with local authorities about a third. When all projects are complete, production capacity will more than double to over 600,000 wafer starts per month.
By the end of 2026, CXMT is expected to reach roughly 350,000 wafer starts per month — within 25,000 of Micron's total capacity. If factory construction, equipment installation, and production ramp all proceed as planned, CXMT's wafer capacity could surpass Micron by 2030.
| Metric | CXMT (Current) | CXMT (Target) | Micron (Current) |
|---|---|---|---|
| Global DRAM Share | 7.6% | 18% (2028 est.) | ~20% |
| Monthly Wafer Starts | ~200K | 600K+ | ~375K |
| Revenue (H1 2026) | $16B+ | $50B+ (FY2026) | ~$40B |
| Market Cap | $487B | — | ~$180B |
The IPO raised 57.92 billion yuan ($8.6 billion), making it Asia's largest offering of 2026 and the biggest in STAR Market history. The prospectus earmarks 29.5 billion yuan across three projects: 13 billion for DRAM technology upgrades, 9 billion for next-generation DRAM research, and 7.5 billion for wafer manufacturing line upgrades.
Now, before you cash out your Micron shares, let me inject some reality.
CXMT has a fundamental, structural disadvantage that won't disappear overnight: it cannot access extreme ultraviolet (EUV) lithography machines. The Dutch government has been blocking ASML from exporting EUV systems to China since 2019. CXMT, like all Chinese chipmakers, is stuck with deep ultraviolet (DUV) lithography — the previous generation of chipmaking technology.
What does this mean in practice?
Tom's Hardware testing confirms that retail DDR5 kits using CXMT dies "track big-three pricing" and "resist voltage scaling and overclock poorly next to SK Hynix parts." You're not getting a discount, and you're not getting premium performance.
Morningstar's fair value estimate of 14.90 yuan per share — less than a third of Monday's closing price — is built entirely on the EUV constraint preventing further conventional DRAM scaling. Nomura's downside case, which factors in potential equipment and materials embargoes, slashes 2027-2028 net profit by 30-33%.
Every CXMT investor is sitting on a geopolitical powder keg.
The Pentagon has designated both CXMT and YMTC (Yangtze Memory Technologies Corp, CXMT's NAND-focused sibling) as Chinese military companies, citing their role in Beijing's military-civil fusion strategy. YMTC is already on the U.S. Entity List. CXMT was approved for addition by a U.S. interagency committee last year, but the Commerce Department has held off — reportedly after lobbying from Apple, which needs Chinese memory supply.
The Trump administration is divided. Micron is pushing hard for further restrictions. Apple is pushing back. Congress is debating new curbs on chipmaking equipment access.
And here's what makes this precarious: only 6.73% of CXMT's enlarged share capital was tradable at listing. The lock-up expires on January 27, 2027. When that dam breaks, and if geopolitics have soured in the meantime, the selling pressure could be biblical.
Whether you're an investor, a tech executive, or just someone trying to understand where the chips in your next laptop are coming from, here's what you need to internalize:
Samsung, SK Hynix, and Micron still control 89.7% of the global DRAM market by revenue. But CXMT's trajectory — from 4.7% share in Q4 2020 to a projected 18% by 2028 — means the Big Three's pricing power will erode. CXMT isn't just taking share at the low end anymore; it's competing in server DRAM, the highest-margin segment.
The ByteDance and Tencent deals aren't isolated events. Chinese state-owned firms are now restricted from buying foreign memory. The government is steering demand to domestic suppliers. CXMT's revenue is going to 7x year-over-year in H1 2026 not because its technology is better, but because China has made a strategic decision to buy Chinese.
CXMT charging more than Samsung for DDR5 is a temporary artifact of supply shortages, not a permanent advantage. When capacity comes online globally — and it will — the cost disadvantage of DUV-based manufacturing will become a competitive liability. CXMT's moat is political, not technological.
Every chipmaker on the planet, including CXMT, depends on ASML's lithography machines. The Dutch company is the ultimate bottleneck and the ultimate beneficiary. If EUV restrictions tighten, CXMT suffers but ASML's moat only deepens. If they loosen, ASML gets another massive customer.
YMTC has already been on the Entity List since 2022. It's replaced roughly half its equipment with domestic machinery and developed techniques to stack NAND layers using less-advanced tools. If YMTC's imminent IPO succeeds and the company thrives despite sanctions, CXMT's bull case strengthens considerably. If YMTC stumbles, CXMT investors should take notice.
CXMT's rise from state-funded loss-maker to China's most valuable listed company is genuinely remarkable. The company has timed its ascent perfectly: riding an AI-driven memory boom, locking in long-term supply deals with the country's biggest tech platforms, and going public at the peak of the cycle.
But let's be clear about what this is and isn't.
It is a legitimate challenger to the global DRAM oligopoly, backed by a government willing to spend whatever it takes to achieve semiconductor self-sufficiency. It is a company with real pricing power in its home market, real customers, and real revenue growth that would make any Silicon Valley CFO blush.
It is not a technological leader. It cannot access the most advanced lithography tools. Its HBM capabilities are years behind. Its cost structure is inferior. And its valuation — 3.3 trillion yuan for a company with Morningstar's fair value at one-third of its share price — reflects a heavy dose of nationalistic fervor alongside genuine business momentum.
The smart money isn't betting against CXMT. But it's also not confusing political tailwinds with technological prowess. The memory chip business is cyclical, capital-intensive, and brutally competitive. CXMT has won the first few rounds. The fight is just getting started.
Sources: Reuters, Tom's Hardware, TrendForce, SemiAnalysis, Morningstar, Nomura, CXMT IPO Prospectus, Observer Network (观察者网)