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 afi, tuʻuina atu eseese ituaiga afi vaega, aemaise lava e aofia ai commutator, pulumu carbon, polo ave, pepa insulation eletise, ma isi. . O a tatou vaega e talafeagai mo ituaiga eseese o afi, e pei o le afi meafaigaluega eletise, masini faʻamama 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