Cov Nta Khoom: Ib daim fiberglass kov uas ua haujlwm hnyav uas tau sim nrog 100kV / 300mm txhua los ntawm txhua tus thiab pleev xim nrog epoxy, Qhov kawg ntawm kov npog nrog roj hmab rwb thaiv tsev. Cov hniav siv cov hlau sib xyaw uas tau tempered rau lub zog & rigidity.