Taupānga：Ararewa ahumoana
Whakamahinga hua : HDPE geomembrane , 1.5mm
HDPE geomembrane Kei te whakamahia whānuitia i roto i te ahumoana, irrigation ahuwhenua me ditches.Lake dam seepage prevention project.Its pai parewai mahi, rangi ātete, waikura resistance kua riro te pai me te āhukahuka o kiritaki katoa
