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Coated Sand High-Temperature Reinforcer Coated Sand Latent Strengthening Agent Wear-Resistant Pressure-Resistant Strength and Toughness Enhancer
Metallurgy & Minerals/Mineral Resources/Pyrrhotite￥ 3000
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Coated Sand Collapsibility Agent Clay Sand Collapsibility Agent
Metallurgy & Minerals/Mineral Resources/Pyrrhotite￥ 5000
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