China Manufacturer Telegraph Porcelain Insulators Electric Fence Ceramic Porcelain Insulator is a high quality, durable and efficient product for electrical insulation needs. Our factory is equipped with the latest technology and facilities to manufacture premium quality insulators. The insulators are made of top quality porcelain material which provides excellent resistance to moisture, high temperature and high voltage. These insulators are compatible with diverse applications such as telegraph lines, electric fences and overhead power lines. We offer a wide range of porcelain insulators with varying sizes and shapes to suit your specific requirements. Trust us to provide you with superior quality insulators that guarantee optimum performance and reliability.