1 ga Nuwamba, 2021, Silindrical head faifan insulator zai iya kaiwa nauyin tashin hankali 300kN, cancanta da aminci.

During da babban sikelin dubawa na kai tsaye kai dakatar da yumbu insulators kwanan nan aka jigilar, ƙarfin tensile na samfuran da aka gano ya kai 300KN

Kuma yanzu Ma'aikatar Fasaha ta masana'anta tana haɓaka 420kN tashin hankali load diski insulator