Hitachi Energy Transformer Components and Service
Switzerland
Zhejiang Gaoneng Electric Installation Co., Ltd.
China
Guangzhou MPC Power International Co. Ltd.
TID Technology Development Co. Ltd.
EC Insulator Jiangxi Co., Ltd.
Changsha Guoli Electric Equipments
Shaanxi Taporel Electrical Insulation Technology
Avient Corporation
United States
Zapel S.A.
Poland
