invention patent
Blast furnace hearth nitrogen composite castable and preparation method thereof
Anti-sticking slag agent for solving slag sticking problem of smelting metal liquid container
A blast furnace hearth hearth integral seamless pouring refractory maintenance method.
Hot ceramic injection charge for long-life blast furnace
High-temperature anti-decarburization coating and preparation method thereof
Heat-generating slag covering agent and preparation method thereof
Henan Huaxi Technology Group
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