Transformer insulation is made of various types of insulators, cut and subsequently machined. They are used mainly in the assembly of transformers, but also during production of other equipment. From small sizes to large dimension projects. It is interesting that we can offer a ground finish design with a thickness tolerance of + – 0.05 mm. Another manufactured article are profile bars called \\\ “DOG BONE \\\” – fiberglass insulators for the electrical industry.