- Innertech Co., Ltd.
- Bathroom Phoen,OLED (Organic Light-Emitting Diode),Bead,Battery.
- Address:219,Imok-dong ,Jangan-gu, Suwon-si
- Raytron Co., Ltd.
- Infrared remote control receiver,Fiber Optic Transmitter and Receiver,LED-light emitting diode,Photo Detector and Emitters,Green Lighting,LED,OpticalLink,Sensor.
- Address:104-6, Munji-Dong, Yuseong-Gu
- Vichel Inc.
- Optic-Module - Optic Transmission,Optic-Module - DMB,Optic-Module - CATV,Optic-Module-Wireless Repeater,LED(Light Emitting Diode) - SMD - Topview Series.
- Address:92-6,Yangjae-dong ,Seocho-gu
- ALTI-ELECTRONICS INC
- Smd LED,Light Emitting Diode,LED Pkg,LED Topview,LED Sideview,LED,LED Light,LED Backlight,LED Blu,Power LED PKG,Sideview LED PKG ,TopView LED PKG.
- Address:449-882, 90-1 Bong Myung-Ri, Namsa-Myun, Cheoin-Gu
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