Insulator

1).Silicon Purgamentum pro vineis/habitationi.
2).Glass-fibrarum epoxy resinae virgae (ECR type) pro core aucti.
3).Hot intinge galvanized pro metallo ferrum injecto caerimonias.
4.5000hours canus test from STRI Sweden & Prototypus Test & Type Test & Factory Test (Routine and Sampling Test).
5).IEC/ANSI/GB vexillum.