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Antimony (CN) SUPPLY CHAIN TRACE

RAW MATERIALS🇨🇳 ChinaChokepoint

Dominant antimony producer for PCB substrate flame retardants and III-V semiconductor compounds

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Antimony (CN)

Dominant antimony producer for PCB substrate flame retardants and III-V semiconductor compounds

UPSTREAM — SUPPLIERS ↑ · DOWNSTREAM — CUSTOMERS ↓
Chokepoint~50% global antimony mining, ~80% refined antimony
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↓ Antimony (CN) supplies to ↓

Ibiden

Dominant supplier of IC substrates for advanced packages

Chokepoint🇯🇵
MATERIALSsupplies Sb₂O₃ flame retardant for IC substrates to

Shinko Electric

Major IC substrate and lead frame supplier

🇯🇵
MATERIALSsupplies Sb₂O₃ flame retardant for IC substrates to

ASE Technology

World's largest OSAT; packages AI chip dies from TSMC and Samsung for NVIDIA, AMD, Apple, and Qualcomm

🇹🇼
OSAT / PACKAGINGsupplies antimony compounds for packaging substrates to

SK Hynix

Leading HBM3/HBM3E supplier for AI accelerators

Chokepoint🇰🇷
MEMORY (HBM)supplies antimony for memory packaging substrates to

DOWNSTREAM — CUSTOMERS

About this company

QWhat is Antimony (CN)'s role in the AI chip supply chain?

Dominant antimony producer for PCB substrate flame retardants and III-V semiconductor compounds

▲Export controls in force since Sep 2024

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