Since its foundation in 1991, Sejin Electronics has developed and produced an industrial Air Cleaning System, H.V. Power Supply, Ionizer, and Electrostatic Precipitator(E/P) Power Pack and is currently producing a DC High-Voltage Generator used in enivironmental areas. Based on our accumulated technology and constant effort to renovate and improve product quality, we had acquired the ISO 9001/KSA 2001 certificates in 2006. With customer oriented mind, responsible management and creative frontier spirit, we promise to do our best to always satisfy our customer requirements by developing and producing high-quality products which will help to clean air and environment.