He kaha te whakakakahu o te hua me te kore pea e whiwhi pilling. Ka whakamahia nga taputapu whakaoti motuhake hei whakawhiwhi ki te ngawari me te whakarei ake i tona kaha ki te aukati i te waku.
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.