

PPC Insulators is a leading supplier of state-of-the-art electrical porcelain insulators for substation, overhead line and precipitator applications specializing in insulator designs up to 1,200 kV AC and 1,100 kV DC system voltages.


As a leading manufacturer and supplier of high-voltage insulators, we create unique and fascinating solutions. Every day, our work brings together vast experience and boundless innovation. Our high-quality products are at the heart of our solution-oriented approach. And this is precisely what sets us apart!


Cerisol, founded in 1912, is a Portuguese manufacturer of high-quality porcelain insulators for substations, transformers, and railway applications. With over a century of expertise, Cerisol delivers durable, customized solutions that meet stringent international standards.