Ko te kiri whakamātua pūhoro he ara mātauranga o ngā kōpae whakamātua tāwhai, e whai ana i te whai hua, te pūmau, me te whakamārama hei whakamātau i te whananga tere o te ahumāra whakamātua. Ko Guangdong EKO, he rōpū pūtaiao matua o te whenua, he rōpū e 19 tau te wā o tana whananga, i whakamāhi i tēnei kiri ki te whakamāhi i te kaha tāwhai, te iti o te whakamātua i te hōhi, me ngā pūkenga whakamātua pai hei whakamātau i ngā whāinga o te whananga pūhoro. I whakamātua ai i tēnei kiri, ka hangaia he kiri whakamātua mā, e whakamātau ana i te taiwhenua, ngā toto, ngā whakamātua, me ngā whakaahua UV, e whakakaha ana i te roa o ngā hua whakamātua. I ngā whakamāhi o te whakamātua i te inkjet, ka whakamāhi i te whakamāhi pai ki ngā rārangi ink āhua rere, e whakamātau ana i te tāwhai o ngā tae me te mātauranga o ngā whakaahua. He whakamāhi tēnei kiri mo ngā whananga nui o ngā kālenda, ngā kāri whakamānui, ngā tohu, ngā tāhuhu, me ngā kōpae whakamātua kai, e whakamātau ana i te whakamāhi pūmau o te whakamātua. Ko te rere o te whananga o te rōpū e whakamātau ana i te whakamātua pūmau, me te whakamātua o te tau o te 6,000 tonu, e whakamātau ana i ngā kiritaki i runga i ngā whenua 100. Ko ngā ratonga whakamātua e whakauru ana i ngā whāinga o ngā hua, te whakamātua o ngā kōpae, me ngā whakamāhi o te whakamātua. Ko ngā ratonga whakamātua i muri i te hoko e whakamāhi ana i ngā whakamāhi tere me ngā whakamāramatanga whakamātua. Mō ngā kiri whakamātua pūhoro e whakamāhi ana i ngā tauira taputapu āhua rere, tēnā koa whakapā mai hei whakamārama.