An kafa kamfanin Foshan Zhelu Metallurgical New Materials Co., Ltd. a shekarar 1999, wanda a da aka fi sani da Changyao Refractories Company, wanda galibi ke gudanar da bincike da kuma samar da kayan aiki na musamman don narkewa da siminti, samar da kayan aiki na ƙarfe na zamani da kayan taimako don narkewa da siminti ga masana'antar sarrafa aluminum da kayayyakin ƙarfe na aluminum. Manyan kayayyakin sun haɗa da masu tacewa, masu gyara da kayan haɗa ƙarfe da ake buƙata a fannin narkewa da simintin aluminum, kayan tsarkakewa da sauran kayan aiki na musamman da faranti na tace yumbu, kayan aikin siminti, da sauransu.
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