CXMT长鑫存储

About

DRAM-only IDM: CXMT handles R&D, design, manufacturing, and sales for memory chips. Revenue comes from selling DRAM products rather than licensing IP or operating as a pure-play foundry.

Hefei · Founded 2016

Why it matters

DRAM is one of the clearest tests of China's semiconductor scale problem. CXMT is not just another chip startup; it is the domestic benchmark for whether China can build a competitive memory manufacturer in a segment dominated by Samsung, SK hynix, and Micron.

Where it sits in the stack

Key semiconductor products

• Vertically integrated DRAM capabilityR&D, design, process integration, manufacturing, and sales inside one memory IDM.
• DRAM·LPDDR5-6400, DDR5
• DDR4
• DDR5
• LPDDR5
• LPDDR5X

Chip pricing

• CXMT HBM3pricing not disclosed

Ecosystem

Competitive position

• CXMT is the China-side DRAM anchor. The useful comparison is not with smaller domestic memory companies but with Samsung, SK hynix, and Micron, because DRAM competitiveness is determined by scale, yield, process generation, customer qualification, and cycle resilience.
• The prospectus-derived data suggests CXMT has moved beyond a purely strategic-policy supplier: 2025 revenue was roughly RMB 61.8B and it turned profitable. That makes the company materially more important than the old 'private, limited-disclosure' description implied.
• The 2026 run-rate is the shock: Q1 2026 reviewed revenue reached RMB 50.8B, up 719.13% year over year, while net profit reached RMB 33.0B. That number should be treated as cycle-sensitive, not simply extrapolated, but it is far too large to leave out of the profile.
• Its reported 7.67% global DRAM sales share in 2025 Q4 is large enough to matter for topology charts: CXMT is still behind the top three, but it is no longer just a placeholder in the China memory stack.
• The important framing is not 'CXMT has solved HBM.' The stronger claim is that China now has a scaled domestic DRAM entrant with enough mainstream DDR/LPDDR exposure to matter for servers, phones, PCs, and substitution planning.
• Credible domestic DRAM scale with DDR5 and LPDDR5-family products; HBM3E entered low-volume production in August 2026, about one generation behind the frontier, but volume parity remains unproven.
• Process generation, yield, equipment access, materials, customer qualification, and memory-cycle resilience.
• Global comparables: Samsung, SK hynix, and Micron are the core global references for DRAM scale, process leadership, HBM, yield, customer qualification, and cycle profitability.

Recent activity

• 2026-08—Began low-volume production of HBM3E, per The Information — about one generation behind Samsung, SK hynix, and Micron; Alibaba T-Head and Cambricon are testing the chips, with broader availability targeted for 2027. [via investing.com]
• 2026-07—Parent ChangXin Technology Group listed on the Shanghai STAR Market (688825) on July 27, raising ~RMB 57.9B (~US$8.6B) in China's largest A-share IPO of the year. [via cnbc.com]

Milestones and signals

• 2016—CXMT was founded.
• 2025 Q4—Global DRAM Sales Share: 7.67%
• 2026—STAR Market 688825.SS (parent ChangXin Technology Group), listed 2026-07-27.
• 2026—IPO Proceeds Sought: RMB 29.5B
• 2026-10-04—Market cap: RMB 3719B
• FY2025—Revenue: RMB 61.8B

What to watch

• IPO registration updates, final pricing, ticker assignment, and post-listing market cap.
• Revenue, gross margin, capex, R&D spending, and inventory through the next memory downcycle.
• DDR5, LPDDR5/LPDDR5X, and any HBM-related product signals, separated by announced, qualified, and volume-shipping status.
• customer qualification progress in PCs, servers, phones, automotive, and industrial systems.
• Fab capacity and tool procurement signals, especially any bottlenecks tied to lithography, deposition, etch, metrology, or materials.