I te tau 2020, ko te kaha o te hanga PVC i te tonga-tonga o Ahia ka eke ki te 4% o te kaha whakaputa PVC o te ao, me te kaha o te whakaputanga matua mai i Thailand me Indonesia.Ko te kaha whakaputa o enei whenua e rua ka kiia mo te 76% o te katoa o te kaha whakaputa i te tonga o Ahia.E kiia ana i te tau 2023, ka eke ki te 3.1 miriona taranata te kohi PVC i te tonga o Ahia.I roto i nga tau e rima kua pahure ake nei, kua tino piki ake te kawemai o PVC ki te tonga-tonga o Ahia, mai i te haerenga ki waho ki te waahi kawemai kupenga.E matapaetia ana ka mau tonu te waahi kupenga kawemai a muri ake nei.
