Welcome to visit our web site.Please let us introduce our company to you. Established in Feb. 1995, SUNG MUN ELECTRONICS Co., Ltd. has been developed as one of the leading LED Module and Switches manufacturer in Korea and now also recognized internationally.Especially the "Rotary DIP Switches" are developed by us at the very first in Korea. We have "ISO/TS 16949" and "ISO 14001" certificates, as a proof to adhere in quality assurance. Sungmun Electronics Co., Ltd. is a getting orders not only from the domestic customer but also from more than 40 oversea buyers where are in Europe, USA, Canada, Asia, etc. We know very well the requirements of this line of business and shall be able to serve any customers immediately upon hearing from you. Thank you.