Seungil Electronics Co. has over 20 years of expertise in the refrigeration and humidification industry. We offer a complete line of micro controllers, electrode steam humidifiers, and temperature/humidity transmitter. We have top market share those items in Korea1987. 11 Company establishment (Owner : Chun Hee Yoo)1989. 01 Development of the first Micom Controller1991. 06 Development type of Ceramics Macromolecule Humidity Transmitter1991. 09 Developed PC Monitoring Software1994. 12 Registered trade Business1997. 10 Developed DDC Controller of 16bit1998. 02 Industrial Micom EMC Test1999. 09 Earned CE Mark for type of Ceramics Macromolecule Humidity Transmitter2000. 02 Registered a practical new device of Humidifier2001. 08 Earned CE Mark for electric steam Humidifier2001. 11 Earned EM Mark for electric steam Humidifier2002. 04 The quality of our electric steam Humidifier was certified by Korean Public Procurement Service2003. 02 Research institute of Technology establishment2003. 08 Seungil Electronics Promising small and Medium Enterprise by Gyeonggi Provincial Government2005. 05 Developed Boiler Controller2005. 08 Registered Practical Patent for HVAC Control System2005. 12 Registered Practical Patent for Humidifier2006. 02 Take out a Patent for electronic steam Humidifier (Construction of supply and drain)2007. 09 Take out a Patent for Compact type steam Humidifier2009. 08 Certificate of Excellent Product (Public Procurement service)2009. 11 - Remodeled 1st Class GYM and Show Room.2009. 12 - Earned CE Mark for Electrode Steam Humidifier.2010. 5 - Certificate of Internet Trade Frontier Business.2010. 5 - Earned CE mark for electronic Humidifiers.2010. 6 Certificate of Export.2010. 10 - Earned ISO 14001:2004 Certification.