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The Japan Steel Works

Dual-Use
Japan

Description

Heavy engineering firm that manufactures artillery, gun barrels and tank cannon for the Japan Ground Self-Defense Force.

Why It Belongs Here

No specific defense relevance signals have been verified yet.

Details

Founded: 1907
Employee count: not yet verified
Japan

Links

Domain: jsw.co.jp

LinkedIn: not yet verified
GitHub: not yet verified
YouTube: not yet verified
Careers: not yet verified
X profile: not yet verified

Sources and Evidence

deftech.directoryFrom source record· about 1 hour ago

Evidence Links

No evidence links have been extracted yet.

First seen: Aug 11, 2026
Last verified: about 1 hour ago
Joined DefTech DirectoryAug 11, 2026