I roto i te hanga pūnga uku, ko te tikanga ka hangaia ngā irahiko mā te tā i te whakapiri hiriwa, ā, muri iho ka whakamarokehia, ka whakapūmauhia. Nā te mea he nui te hiriwa kei roto i te whakapiri hiriwa, ā, he matotoru ngā paparanga irahiko e puta mai ana, he nui te whakamahinga hiriwa katoa, ā, ko te rerekētanga o ngā utu hiriwa he mea nui ki te utu o ngā rauemi irahiko.

I roto i ngā tekau tau e rua kua pahure ake nei, kua noho te pikinga tonu o ngā utu hiriwa hei āhuatanga e kore e taea te karo mō ngā kaihanga pūnga uku. I runga i ngā utu hiriwa toharite ā-tau o te ao, ko te utu hiriwa toharite he tata ki te RMB 3,350/kg i te tau 2008, ā, i piki ki te tata ki te RMB 9,190/kg i te tau 2025—he pikinga tata ki te 2.7 ngā wā i roto i ngā tau 17.

Haunga te utu nui o te hiriwa, kua kitea haere hoki ngā herenga o te tukanga whakapiri hiriwa tuku iho. Ko te tā, te whakamaroke, me te whakahinuhinu he maha ngā mahi tukanga, te whakahaere rauemi nui me ngā mahi ā-ringa. I taua wā anō, ko ngā whakaritenga taiao e tino kaha haere ana me te hiahia mō te hanga aunoa kei te akiaki i ngā kaihanga ki te arotake anō i ngā rauemi hiko me ngā tukanga whakatakotoranga, me te arotahi ki te whakaiti i te kai hiriwa, te whakapoto i te mekameka tukanga, me te whakatutuki i te hanga papatipu tino aunoa.
Ahakoa kei te whakawhirinaki tonu te umanga ki te tukatuka whakapiri hiriwa, kua tīmata kē a Zhenhua Vacuum me āna kiritaki ki te tūhura i te huarahi "whakakapi hiriwa ki te parahi".
I te tau 2008, i te pānga mai o te raruraru pūtea o te ao ki ngā mākete, ā, i te piki haere o te koretake, ka tīmata tētahi kaihanga matua o ngā pūnga uku teitei ki te aromatawai i ngā pānga roa pea mai i ngā pikinga utu o ngā rauemi mata me te panonitanga o ngā tukanga hangahanga i mua i te hanga pēhanga utu tika e te pikinga o ngā utu hiriwa.
Nō reira, i whakauruhia e te kiritaki te arotautanga o te tukanga hikohiko ki roto i tana rautaki hanga roa: te whakaiti i te whakawhirinaki ki te hiriwa me te pānga ki te piki me te heke o te utu hiriwa, me te pupuri tonu i te mahi me te pono o te hua; ā, i te wa ano, te whakawhiti i te hanga hikohiko mai i ngā mahi ā-ringa me ngā mahi ā-haurua-ā-ringa ki te hanga papatipu aunoa, paerewa hei whakapai ake i te ōritetanga o te hua, te pumau o te tukanga, me te kaha tuku mo te wa roa.
I whakapā atu te kiritaki ki a Zhenhua Vacuum ki te tūhura tahi i tētahi ara hangarau hou: Tērā pea ka whakamahia tētahi atu rauemi hei hanga i ngā irahiko pūnga uku, i te mea ka taea e tētahi tukanga whakatakotoranga hou me ngā taputapu whakaputa aunoa te whakahohe i te hanga roa, pumau, me te nui o te rahinga?
I te tīmatanga o te kaupapa, kāore anō kia kitea he otinga kua whakatūria. Me whakarato te rauemi rerekē i te kawe hiko pai me ngā painga utu, me te whakarato hoki i te piri pai o te paninga me te pono mō te wā roa. Me hototahi hoki te tukanga hou ki te whakaputa aunoa.
Whai muri i ngā arotakenga hangarau maha, i puta ake te parahi hei kōwhiringa whai hua. He tata tōna kawe hiko ki tērā o te hiriwa, ā, he iti ake te utu mō ngā rauemi. Heoi, he ngāwari te parahi ki te waikura i ngā pāmahana teitei, ko te tikanga kāore e taea te tārua noa i te tukanga whakapiri hiriwa tuku iho. Me whakawhanake hou te tikanga whakatakotoranga, ngā tawhā tukanga, me ngā taputapu whakaputa.
I taua wā, kāore anō kia whakatūria he tauira ā-rohe mō te hanga papatipu o ngā irahiko parahi mō ngā pūnga uku. Me tīmata katoa ngā rauemi, te hangarau tukanga, me te whanaketanga taputapu mai i te whenua ki runga. Engari i te tatari kia oti te otinga rauemi, i uru atu a Zhenhua Vacuum mai i te tīmatanga o te kaupapa, ā, i mahi tahi me te kiritaki ki te whakatū i te huarahi hangarau. I whakahaerehia ngā whakamātautau tauira, te manatoko paninga, me te whanaketanga tukanga whakaputa papatipu i te taha o te hangarau taputapu, kia taea ai te whanake ngātahi o te tukanga whakatakoto me te raina whakaputa.
I te mutunga, i whiriwhiria e ngā taha e rua te magnetron sputtering (PVD) hei hangarau matua. Ka whakarato te kiriata kua whakatakotoria i te piri kaha ki te papa, ā, ka taea te whakatakoto tika i te paparanga irahiko parahi ki runga i te mata uku me te kore he here waro e whakamahia ana i roto i te whakapiri hiriwa. Mā tēnei ka whakakorea te hiahia mō ngā whakarewa me ō rātou mimiti e pā ana, me te tango hoki i te taahiraa sintering pāmahana-tiketike, ka hua ake he tukanga maroke ma ake, he pai ake hoki mō te taiao ki te tukatuka mākū tikanga.
Hei whakapai ake i te pai o te whakatakoto me te nui o te whakaputanga, i whakawhanakehia e Zhenhua tētahi raina whakaputa pupuhi tonu e rua-taha. Kia uru ngā wāhanga uku ki te pūnaha korehau, ka taea te pani i ngā taha e rua me te kore e hurihia ā-ringa, i te wā e hono ana te whakawhiti rauemi tonu i ngā wāhanga tukanga takitahi. Ka whakakapihia e tēnei otinga tukatuka-maroke ngā taahiraa tukatuka-mākū maha o te "tā whakapiri hiriwa → whakamaroke → sintering," ka whakangawari i te mekameka tukanga whānui me te whakapai ake i te ōritetanga puranga-ki-puranga me te pai o te whakaputa.

I te tau 2012, i angitu te tukunga o ngā taputapu. Mai i ngā kōrero hangarau tuatahi me te whanaketanga tukanga ki te whakatūnga me te whakatinanatanga o te raina whakaputa, e rua tau te roa o te kaupapa.
I te marama o Hepetema 2026, kei te mahi tonu te raina whakapūmau rua-taha i tukuna i te tau 2012 i te whare o te kiritaki, ā, e tautoko ana i te hanga papatipu pumau. Ahakoa e tutuki ana i ngā whakaritenga mō te ōritetanga o te paninga, te aunoatanga o ngā tukanga, me te hanga nui, ka whakaitihia e te otinga "te hiriwa whakakapi parahi" te whakawhirinaki ki te hiriwa whakarewa utu nui, ā, ka whakaitihia ngā utu rauemi hiko, me te whakarite hoki ki ngā whakaritenga o te hanga ma me te tiaki taiao. Whai muri i te 14 tau o te mahi tonu, kua whakaratohia e te taputapu he whakamana roa o te otinga tukanga me te taputapu e pā ana ki te whai huatanga o te utu, te kounga o te paninga, te pono o te whakaputanga, me te pumau o te hanga papatipu.
I taua wā, kei te tīmatanga tonu te māramatanga me te tango a te umanga ā-rohe i te huarahi parahi-irahiko, ā, ko te nuinga o ngā kaihanga kei te whakawhirinaki tonu ki te tukatuka whakapiri hiriwa. Heoi, i ngā tau tata nei, nā te pikinga o te pēhanga utu mai i te whakapiri hiriwa i tere ake ai te nekehanga o te umanga ki te "whakakapi parahi i te hiriwa," ka waiho ngā taputapu pupuhi hei otinga e rapuhia ana mō te hanga hiko pūnga uku. Kua whanake te ahunga hangarau kotahi mai i te tūhuratanga whakamua ki te arotahi nui ki te umanga i ēnei rā—me te 14 tau o te whakamana whakaputa i waenganui.
Mō te kiritaki, he roa ngā painga. Haunga te whakaiti tika i ngā utu rauemi, i whakakorea e te pūnaha whakaputa tōna aro ki ngā piki me ngā heke o te utu hiriwa 14 tau i mua i te nuinga o te umanga. I whiwhi hoki te kiritaki i tētahi painga wawe i roto i te hanganga ture taiao me te aunoatanga hanga. Ahakoa he maha ngā kaihanga kua tīmata ki te aro atu ki te pikinga o te pēhanga mai i ngā utu hiriwa me te whakawhiti tukanga i ngā tau tata nei, kua 14 tau te roa o te whakaputanga pumau a tēnei kiritaki me te hangarau.
Ko tēnei kaupapa tētahi o ngā tono tuatahi a Zhenhua Vacuum mō te hangarau pupuhi tonu taha-rua mō te hanga pūnga uku maramara. I runga i te whakaaro ki te taiao ahumahi ā-rohe i te tau 2012, ko tana whakatinanatanga hangarau angitu he putanga tuatahi i roto i te hokohoko o te hangarau parahi-irahiko. I whakaatu i te huarahi whakamua a Zhenhua Vacuum ki te whakawhanaketanga tukanga me te whakatinanatanga hangarau. Nā te whanaketanga taputapu, te tuku angitu, me te 14 tau o te whakamanatanga whakaputa papatipu pumau, i whakatū te kaupapa i tētahi tūranga tuatahi kaha mō Zhenhua Vacuum i roto i ngā tono paninga pūnga uku, me te whakarato i ngā wheako roa mo te whanaketanga taputapu o muri mai, te arotautanga tukanga, me te whakapai tonu.