- Sun Kwang Electronic Co.
- Area Sensor (SK-10 Series A-TYPE) ,Selection Invalidly Area Sensor,High Sensorable Photo-Electronic Safety Device for Machine (N-type) ,Trans-receive Type Device for Mchine (20mm Series).
- Address:Rm3,Nonhyeon-dong ,Namdong-gu
- 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
- Korea Semicom Co., Ltd.
- Optic Fiber, IR Sensor, Switches,IC,IR SENSOR,PHOTO SENSOR,LCD Modules.
- Address:Rm# 3210, Ba-Dong, Chungang Circulation Complex, 1258, Kurobon-Dong,
- KUNHUNG ELECTRIC CO., LTD.
- Limit switch,Control Switch,Photo sensor,Proximity switch.
- Address:113-4 Jangan-dong Dongdaemun-gu
- mini-photo corporation
- mini album,photo album,printing paper,Photo Editor(software),photo cover,water-proof case,medical disposable sensor,dental whitening strip,smartphone accessory,accessory & Promotional Gifts.
- Address:Yonsei Jangaein BI Center, Room No. 306
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