Norsk Teknisk Porselen Products AS
Norway
Dalian Insulator Group T&D Co., Ltd
China
Zhejiang Gaoneng Electric Installation Co., Ltd.
Newell (A PGC Company)
United States
Modern Insulators
India
Izoelektro d.o.o.
Slovenia
EMCO Industries
Pakistan
TID Technology Development Co. Ltd.
K-Line Insulators Ltd.
Canada
Sinoma Jiangxi Insulator and Electricity Co,. Ltd
Guangzhou MPC Power International Co. Ltd.
Eximprod Power Systems S.A.
Romania
Wish Power (Thailand) Co. Ltd
Thailand
Electroporcelana Gamma S.A.S.
Colombia
EB Rebosio SRL, A Gruppo Bonomi Company
Italy
Changsha Guoli Electric Equipments
EC Insulator Jiangxi Co., Ltd.
Hunan Yangdong Porcelain Insulators
