He mea nui te mahi a te hauhautanga i roto i te tukanga whakamatao o te pouaka whakamatao wai hurihuri. Kei roto i ngā hauhautanga taiao o nāianei ko te R134A, te R410A me te R407C. Mena he hiahia motuhake tā ngā kaiwhakamahi mō te hauhautanga, ka taea e rātou te whakapā atu ki te kaiwhakarato pouaka whakamatao.
Mō te hanga, kua whakangaohia e S&A Teyu te neke atu i te kotahi miriona yuan mō ngā taputapu hanga, hei whakarite i te kounga o te raupapa o ngā tukanga mai i ngā wāhanga matua (whakamātao) o te pouaka whakamatao ahumahi ki te whakarewa i te pepa whakarewa; mō te mahi kawe taonga, kua whakatūria e S&A Teyu ngā whare putunga kawe taonga i roto i ngā tāone nui o Haina, ā, kua tino whakaitihia te kino nā te kawe taonga tawhiti, me te whakapai ake i te whai huatanga o te kawe waka; mō te ratonga muri-hoko, e rua tau te wā whakamana.
