I whiwhi matou i nga Tiwhikete Tiwhikete e toru:
1.Tiwhikete Pūnaha Whakahaere Kounga (ISO9001:2015)
2.Tiwhikete Pūnaha Whakahaere Taiao (ISO14001:2015)
3.Tiwhikete punaha whakahaere hauora me te haumaru (ISO45001:2018)
Na roto i to maatau whakaemi hangarau, neke atu i te 50 nga tiwhikete patent tenenga.
I tua atu i tera, kua whiwhi ano matou i etahi atu tiwhikete: Pēnei i te Tiwhikete o te Hangarau Hangarau Teitei & Hou, CHINA GAS ASSOCIATION Tiwhikete Mema, Tiwhikete CE, etc.
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