Protektel sp. z o.o.

Poland

Zhejiang Gaoneng Electric Installation Co., Ltd.

China

EB Rebosio SRL, A Bonomi Group Company

Italy

Tridelta Meidensha

Germany

Siemens Energy Global GmbH & Co. KG

Germany

Balestro – Indústria Eletromecânica

Brazil

Wenzhou Yikun Electric

China

MacLean Power Systems

United States

TID Technology Development Co. Ltd.

China

EC Insulator Jiangxi Co., Ltd.

China