EC Insulators is one of the global electrical components manufacturer from china, with office located in Shanghai, factories located in Busan, South Korea and Jiangxi, China. We are especially producing polymer insulator from 1kV-750kV, polyethylene HDPE insulator, silicone&porcelain cutout, surge arrestor, silicone compound, FRP rod, forging fittings, die casting brass&aluminum fittings and other electrical products.