Hivolt Power System
China
Allied Insulators
United Kingdom
Wenzhou Yikun Electric
EC Insulator Jiangxi Co., Ltd.
Electroporcelana Gamma S.A.S.
Colombia
PPC Insulators
Austria
Indisol S.A.
Portugal
Guangzhou MPC Power International Co. Ltd.
Polycast
Canada
Zhejiang Gaoneng Electric Installation Co., Ltd.
Hunan Yangdong Porcelain Insulators
Nanjing Electric Insulator Co.,Ltd
CHINA
K-Line Insulators Ltd.
PFISTERER
Germany
Eximprod Power Systems S.A.
Romania
Dalian Insulator Group T&D Co., Ltd
Pingxiang Huaci Insulators Group Co. Ltd.
Izoelektro d.o.o.
Slovenia
