He mea nui ngā hangarau ki te hanga i te mīhini whatu ngira whitiki taumaha ngaio a te kaihanga Yongjin. Whai muri i te whakahoutanga mō ngā whakatipuranga maha, kua whakamātauhia te hua hou he whānui ake te whakamahinga i roto i ngā Mīhini Whatu me ētahi atu mara.
Ko te tino whakataetae o tētahi hua ko ōna āhuatanga. He mea hanga ā mātou hua i ngā rauemi mata kua paahitia ngā whakamātautau tino pakari a ngā kaimahi ngaio. He mea hanga te hua kia whai hua me ētahi atu painga nui. Heoi anō, he mea tino whakanuia te hoahoa o tōna āhua nā te mea ka ārahi pea i te ia o te ahumahi.