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jiangmen hua ke magnet factory co.,ltd.(guang dong jiangmen nan hua powder metallurgy co.,ltd.) our factory have specialized the product of powder metallurgy for twenty years, including :isotropic ferrite magnets, iron-copper base powder metallurgy components, isotropic ferrite magnet, iron-copper base powder and metallurgy components, dry type isotropic ferrite base powder and metallurgy componen...