UJoson wenze inkqubela phambili enkulu kwitekhnoloji yemveliso ye-70kN ye-disc insulator, kunye nozinzo lovavanyo lwe-tension ye-head disc insulator ingaphezulu kwe-80KN.

UJoson wenze inkqubela ngokukhawuleza kwitekhnoloji yokuvelisa

Ukuzinza kovavanyo loxinzelelo lwe-head disc insulator (i-cylindrical head disc insulator) ingaphezulu kwe-80KN

Uvavanyo lwesampulu yeempahla ezinkulu ezithunyelwa ngaphandle

Uvavanyo lomsebenzi wombane weemveliso zeporcelain zombane

Umlinganiselo we-porcelain creepage yombane