Soldering frames for the assembly of electronic boards Produced from composite materials, our soldering frames have excellent mechanical properties (non electricity and thermal conducting, amagnetic, flame-proof), they are resistant to all types of corrosion, deformation and high temperatures. At the forefront of developments in materials specific to electronics and electrical engineering, Ci Electronics is the privileged partner of Rochling Permali, manufacturer of Durostone glass reinforced composite materials.