I roto i te hoahoa hanganga o dc pūmana nekeneke kua wehea ki e rua nga wahi, te stator me rotor, stator me ngā o te anga, pou matua, pou commutating, taupoki mutunga, whanau me te taputapu paraihe hiko, me ētahi atu Ko te rotor ko e te take, te matua rino armature, te awhiowhio armature, commutator me te tahi, etc. 1. Ka taea te whakamahi mo te pou matua me te commutating pou me te uhi mutunga kua whakaritea, me te mana o te motopaika te painga o te tautoko me te whakatika. 2. Na tona ake no tetahi wahi o te ara iahiko autō, kia rite ki te hanga i te uru i waenganui i te pou autō, na te whakarite turanga he nui te kaha pūkaha me te uruhanga ātete. Ko te tu ki runga he mahi, kei te tumanako ahau ka awhina koe.
Ko te roopu HOPRIO he kaihanga ngaio o te kaiwhakahaere me nga motuka, i whakapumautia i te 2000. Te tari matua o te roopu i Changzhou City, Jiangsu Province.