Ouwei Electric offers top-tier DDP Paper, Diamond Dotted Paper, and Transformer Cardboard to meet the stringent demands of transformer insulation. Our DDP Paper and Diamond Dotted Paper deliver superior dielectric strength and resist electrical stress, while Transformer Cardboard offers reliable structural support and insulation for transformer coils. With high-temperature resistance and excellent dimensional stability, these materials ensure the safe and efficient operation of electrical systems. Whether you need customized dimensions or specific material properties, Ouwei Electric provides tailored solutions for industries worldwide.