Norsk Teknisk Porselen Products AS

Norway

Zapel S.A.

Poland

Dalian Insulator Group T&D Co., Ltd

China

Wenzhou Yikun Electric

China

TID Technology Development Co. Ltd.

China

Reinhausen Power Composites

Germany

Hivolt Power System

China

Electroporcelana Gamma S.A.S.

Colombia

Allied Insulators

United Kingdom

PFISTERER

Germany

Modern Insulators

India

Polipar Energy System

Turkiye