SJSZ raupapa koeko mahanga huriwiri extruder te nuinga tito o oko tīwiri, pūnaha tuku taputapu, whāngai ine, korehau ngongo, whakawera, tautauā me te mana hiko wāhanga Etc. Ko te extruder tīwiri mahanga koeko he pai mo te whakaputa i nga hua PVC mai i te paura whakauru na te whakakikoruatanga. āhuatanga.