Refractories 1.many grades, such as foundry, chemical, metallurgical and refractory grade, mainly used in refractory production Our company possesses two factories for magnesia refractories, two factories for alloy and an import&export company, mainly producing chromium and magnesite refractory, such as Fused Magnesia Chrome, Zeilanite and Hercynite. Meanwhile, our company has been specializing ...