Kaupapa tiaki taiao wai o Nantong Zhengda

Ihirangi hanga: Pūnaha tango puehu me te whakakore haunga mō te raina whakapūkara wai me te raina kuru tino pai.
Tukanga matua: Te tango puehu pārū + te tukunga mārama me te hāora i roto i te ngaruiti kia rite ki te paerewa.