Foshan Zhelu Trading Co., Ltd an kafa shi a cikin 1999, wanda aka fi sani da Kamfanin Changyao Refractories, galibi yana aiki a cikin R&D gami da aluminum gami, samarwa da siyar da kayayyaki na musamman don narkewa da simintin gyare-gyare, samar da kayan ƙarfe na gaba da kayan taimako don narkewa da jefawa da aluminum sarrafa da aluminum gami kayayyakin masana'antu, manyan kayayyakin sun hada da refining jamiái, gyare-gyare da alloying kayan da ake bukata a aluminum narkewa da kuma simintin samar, tsarkakewa kayan da sauran musamman kayan da yumbu tace faranti, simintin kayan aiki, da dai sauransu