Deep in Server PCBs; Positioned for AI Compute Upcycle

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Grandtech (001389.SZ) — Event Comment

Deep in Server PCBs; Positioned for AI Compute Upcycle


Key Data Snapshot

Metric Value
Ticker 001389.SZ
Rating Buy (initial)
Report date September 25, 2025
Price RMB 82.3
Market cap RMB 35.0 bn
Total shares 425 million
Free-float 150 million
52-week range RMB 36.58–85.12
Avg daily turnover RMB 423.87 mn

Earnings Forecast & Valuation

Metric 2024A 2025E 2026E 2027E
Revenue (RMB mn) 3,734 4,967 5,895 6,803
Growth (%) 39.4% 33.0% 18.7% 15.4%
Net profit to parent (RMB mn) 676 945 1,137 1,324
Growth (%) 63.0% 39.8% 20.2% 16.5%
Diluted EPS (RMB) 1.59 2.22 2.67 3.11
ROE (%) 22.0% 24.3% 23.2% 21.7%
P/E 51.8 37.0 30.8 26.4
P/S 9.4 7.0 5.9 5.1
P/B 11.4 9.0 7.1 5.7

Investment Thesis

I. Strong 1H25; digitization & Huangshi turnaround

1H25:

  • Revenue RMB 2.425 bn, +42.17% YoY
  • Net profit RMB 492 mn, +53.91% YoY
  • Recurring net RMB 478 mn, +47.78% YoY

2Q25:

  • Revenue RMB 1.308 bn, +41.96% YoY, +17.08% QoQ
  • Net profit RMB 251 mn, +44.13% YoY, +4.51% QoQ
  • Recurring net RMB 245 mn, +41.53% YoY, +5.17% QoQ

Margin: 2Q25 gross 37.46%, +3.22 ppt YoY, +2.27 ppt QoQ

Drivers: (1) strong compute supply chain demand; (2) digital / technical upgrades; (3) Huangshi Grandtech back to profit.

II. AI PCB cycle; server PCBs fastest-growing PCB vertical

Global PCB:

  • 2025E output USD 79.128 bn, +7.60% YoY

Sub-segments: 18+ layer MLBs +41.70%; HDI +12.90%; packaging substrates +7.60%

Servers: highest application growth; 2029E server PCB output USD 18.9 bn; 2024–2029 CAGR 11.6%

III. Server focus; capacity coming online

Business: multilayer PCBs for mid-to-high-end markets — servers, consumer, industrial, security, comms, auto.

Servers ~70% of sales — HPC, AI training, storage, switches, etc.

Tech: 46-layer mass production; 7th-order HDI qualified; strong co-design with customers.

Utilization: Guangzhou >90% 1H25; Huangshi >80%; Thailand started Jun-25, Phase I full run ~RMB 2 bn revenue potential.


Financial Appendix

Balance sheet (RMB mn)

Item 2024A 2025E 2026E 2027E
Current assets
Cash & equivalents 721 1,637 2,754 4,127
Receivables 1,305 1,225 1,211 1,118
Inventory 459 529 523 544
Other current 364 390 385 380
Current assets total 2,849 3,781 4,874 6,169
Non-current
PPE 1,782 2,054 2,098 2,038
Construction in progress 740 490 390 390
Intangibles 163 155 147 139
Non-current total 2,837 2,851 2,787 2,720
Total assets 5,686 6,631 7,662 8,888

Cash flow (RMB mn)

Item 2024A 2025E 2026E 2027E
Operating CF 796 1,214 1,368 1,630
Investing CF -1,124 -22 55 60
Financing CF 1,243 -123 -125 -132
Net change in cash 915 1,069 1,298 1,558

Key ratios

Metric 2024A 2025E 2026E 2027E
Revenue growth 39.4% 33.0% 18.7% 15.4%
Net profit growth 63.0% 39.8% 20.2% 16.5%
Gross margin 33.4% 36.0% 36.0% 36.0%
Opex / revenue 9.9% 11.9% 11.9% 11.9%
Net margin 18.1% 19.0% 19.3% 19.5%
ROE 22.0% 24.3% 23.2% 21.7%
Debt-to-assets 45.9% 41.2% 35.9% 31.4%
Asset turnover 0.7 0.7 0.8 0.8
AR turnover 2.9 4.1 4.9 6.1
Inventory turnover 5.4 6.1 7.3 8.1

Risks

  1. Thailand datacom PCB ramp below plan
  2. Sharper competition in AI PCBs
  3. Weaker AI capex / demand

Source: Huaxin Securities Research