Is a kind of high transmittance PET as the substrate, through the transparent electromagnetic shielding film nano imprint technology, high transmittance, low resistance, good flexibility, excellent shielding performance, can be customized for different shielding effectiveness and different transmission rates, different sizes of products. Widely used in touch screen, ultra-thin flexible structure, high transmittance and shielding effectiveness of the occasion, the product also meets the special needs of military applications, such as at -45 degrees C, ~85 degrees of use.