I roto i te hoahoa hanganga o dc pūmana nekeneke kua wehea ki e rua nga wahi, te stator me te 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 i 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 motuka motuka te painga o te tautoko me te whakatika. 2. Na tona ake no tetahi wahanga o te ara iahiko autō, kia uru ki waenga i te pou aukume, na te mea he nui te kaha miihini me te aukati uruhanga o te turanga. 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.