Seahan Electronics America,Inc - saehanusa.com PRINTED CIRCUIT BOARDS IN THE AMERICA. 7880 Airway Road, Suite B5G,San Diego, CA 92154. Tel : (858) 496-1500 Fax : (619) 496-1515. PRINTED CIRCUIT BOARDS IN THE AMERICA. 7880 Airway Road, Suite B5G,San Diego, CA 92154. Tel : (858) 496-1500 Fax : (619) 496-1515.