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Coated Sand High-Temperature Reinforcer, Coated Sand Strengthening Agent, Wear-Resistant, Pressure-Resistant, Improves Strength and Toughness
Metallurgy & Minerals/Mineral Resources/Pyrrhotite¥ 4000
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Coated sand collapsibility agent, clay sand collapsibility agent
Metallurgy & Minerals/Mineral Resources/Pyrrhotite¥ 5000
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