Faʻatūina i le 2007,Ningbo Haishu Nide International Co., Ltd, e faʻapitoa i le afi afi, tuʻuina atu le tasi-taofi fofo i le gaosiga o afi, tuʻuina atu ituaiga eseese o vaega afi, aemaise lava e aofia ai le commutator, pulumu carbon, polo bearing, pepa eletise eletise, ma isi. O a tatou vaega e talafeagai mo ituaiga eseese o afi, e pei o le afi meafaigaluega eletise, masini masini mama, afi faʻamalama faʻamalama, afi faʻafefiloi, taʻavale, uila afi, ma isi.
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O le commutator o se vaega taua o le afi afi ma le AC commutator armature.
O le tele o mea e faia i molelaʻau o loʻo faia i atoms lea e faʻaopoopoina i nuclei ma electrons. I totonu o se atom