Precision Products Group, Inc., has rebranded their four leading precision tubing product manufacturers (Paramount Tube, Stone Industrial, Euclid Spiral, and Phenix Tube) under Paramount Tube. Each company brings new strengths, technologies and capabilities from its respective industry to form one of the largest custom tubing companies in the industry. Paramount Tube specializes in transformer cores. Various bow types are available to reduce collapse during transformer winding. Commonly used materials include Nomex®, Corquin® / Cequin, Vulcanized fiber (fish paper), Dielectric Kraft, polyester film, acetate. Our experience with various high temperature insulating materials and numerous tube related applications make us uniquely qualified to engineer specialized solutions to your needs.