- Da Mool Systec Corp.,Ltd
- Epikeratome,Excimer Laser,Megatron,CRS-Master II,CRS-Master,Megatron.
- Address:Rm 306, Korea-Keumbark Bldg, 182-1 Buam-dong, Jongno-gu
- Han Ryuk Electronics Co., Ltd.
- RNL, RNM- Metal Film RESISTORS,NAM- Carbon Film Resistors-small type,MHR, ZHR- Network Resistor (R-Array) ,CR, CRS- Chip RESISTORS,FMR- Fuse RESISTORS,WCR- Wire Wound Cement RESISTORS,MOF- Metal Oxide Film RESISTORS,NAS- Carbon Film Resistors,MOS- Metal O.
- Address:785-4,Wonsi-dong ,Danwon-gu, Ansan-si
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