, ko te iti rawa o te PWM whakaputa PWM te whanui (koinei te 1000 matou), mo tetahi roa, he motini dc brushless, e tatari ana kia oti te tirotiro whaiaro, penei i ta te prospectus e kii ana, ka taea te whakanui ake i te motini tiimata o te whanui PWM.
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.