We also manufacture Porcelain Special Type Insulators used for Resistors. Porcelain Insulators are manufactured in different sizes, lengths & different number of grooves i.e. 14, 16, 20 & 30 over its length. These Insulators are very easy to use. We also manufacture other type of insulators which have grooves on three sides. These are more robust type of Insulators and provide better end result.