Claim · committed · confidence 0.85
Generated from the Hyphae knowledge graph.
Statement: Cast iron was produced in China from at least the 5th century BCE (late Zhou dynasty), predating European blast furnace development by many centuries.
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- About → Blast Furnace Ironmaking
- Cites → 2026-blast-furnace-wikipedia
- Cites → 2026-pig-iron-wikipedia