I te nekehanga o te tūranga whanaunga o te kurupae me te mea mahi, ka hangaia te rauemi hei kōhao, kia tutuki ai te kaupapa o te tapahi.
Ka whakakapia te maripi mīhini tuku iho e te tukanga tapahi taiaho ki te hihi kore e kitea. He āhuatanga o te tino tika, te tapahi tere, kāore e herea ki te tauira tapahi, te whakatakoto momotuhi aunoa hei penapena rauemi, te tapahi maeneene, te utu tukatuka iti, me ētahi atu. Ka āta whakapaitia, ka whakakapia rānei i roto i ngā taputapu tukatuka tapahi whakarewa tuku iho. Kāore te wāhanga mīhini o te pane tapahi taiaho e pā ki te mea mahi, ā, e kore e rakuraku i te mata o te mea mahi i te wā e mahi ana; he tere te tere tapahi taiaho, he maeneene, he papatahi te tapahi, ā, i te nuinga o te wā kāore e hiahiatia he tukatuka i muri mai; he iti te rohe tapahi e pāngia ana e te wera, he iti te whakarerekētanga o te pereti, ā, he whaiti te āputa (0.1mm~0.3mm); kāore he ahotea mīhini o te tapahi, kāore hoki he pūwero kutikuti; he tino tika te miihini, he pai te whakahoki, ā, kāore he kino ki te mata o te rauemi; he hōtaka CNC, ka taea te tukatuka i tētahi mahere, ā, ka taea te tapahi i te papa katoa me te whakatakotoranga nui me te kore e hiahiatia te whakatuwhera i te pokepokea ai, he ohanga me te penapena wā.
He pono te mahi a Jianlian Aluminum Co., Ltd. ki a koe.