Hanga o te paura metallurgy aukume waikura ture, tīwae, tīwae me te strontium barium pūnaha hāora pūnaha hāora whakaritea ki ētahi atu aukume, ki te taima motuhake iti, rotor inertia iti & lsquo; Remanence iti kiato me te teitei jiao coercivity, e kore e haria ki te awe o te papa autō, te aukume tuturu na'ina'i, e tika ana mo nga momo motini katoa, kia rite ki nga tikanga hanga, te whakamahi i te ferrite sintered me te epoxy resin hei whakapiri o te mate-makanga ferrite, ferrite sintered & rsquo; He teitei ake te kaha aukume, engari he uaua ki te hanga ahua uaua o te pou aukume, mate-makanga ferrite ki te werohanga niao me te makanga mate hanga e rua tikanga, ka taea e te mua hanga momo katoa o te hanga uaua, engari autō paku kino atu i te whakamutunga.
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.