Tirohanga Tikanga Kanorau Hitori kororia Uara Tiwhikete 1983 I whakaturia he kamupene hokohoko mo nga taonga parewai. 1984 I whakauhia te whakaurunga parewai me te roopu tiaki. 1986 I whakatuu he roopu rangahau me te whanaketanga rauemi. 1988 Kua oti nga kaupapa hangahanga waikore 32. 1990 I timata ki te whakahaere kaupapa aukati i te riikiri i roto i te umanga ahumoana. 1993 I timata ki te whakahaere i nga kaupapa miihini taiao maina. 1995 I timata ki te whakahaere i te kaupapa whakamarumaru wai o te hangahanga kauhanga. 1998 I timata ki te whakahaere i nga mahi parewai mo nga kaupapa whakangao. 2001 Ka whakahokia ano hei kaihanga rauemi polymer. 2002 I whakawhiwhia te tohu tohu waikore whare. 2003 2m te whanui PVC membrane pukapuka raina whakaputa. 2005 8m te whanui HDPE geomemrbrane raina whakaputa. 2008 I pakaru te wheketere i te ru whenua o WenChuan. 2010 I hanga ano he wheketere hou, 15000 sqm. 2013 I whakatu to maatau ake taiwhanga whakamatautau. 2014 I hokona he tari hou, 700sqm. 2015 I hangaia he rorohiko mo te whakahaere hoko geomembrane. 2016 7m te whanui membrane pupuhi raina production.Te kaha 3 miriona mita tapawha ia tau. 2016 I whakawhiwhia ki te tohu tohu waikore taumata tuatahi. 2016 I timata te mahi a te raina whakaputa PVC & TPO, te kaha 2 miriona mita tapawha ia tau. 2017 3m te whanui kore-uku-whakapiri-whaiaro-kore i timata nga taputapu whakangao roera waikore, te kaha 2 miriona mita tapawha ia tau. 2018 I whakawhiwhia te tohu tiaki taiao. 2019 Kua whakahouhia te raihana pakihi, te whakapaipai rehita $15 miriona. 2020 I whakawhiwhia te ISO9001:2015 Tohu Whakahaere Kounga. 2020 I whakawhiwhia ki te ISO40051: 2018 Pūnaha Whakahaere Hauora me te Haumaru Mahi. 2020 I whakawhiwhia te ISO14001: 2015 Taiao Tohu.Pūnaha.