- SMI Technology Co.,Ltd
- Address:848-8, Yuha-ri, Jangyu-myeon, Gimhae-SI, Gyeongsangnam-do, 621-834, S. Korea
- KNU TRADING
- Address:Gangwon National Univ. , Hyoja 2-dong,
- Taeheung
- Address:640 Jinbul-ri, Jinjup-eup
- S&Y Inc
- Address:chein
- Luxfine Lighting Inc.
- Address:1045, Jori-Eup, Neungan-Ri
- DAERYUK TECHNOLOGY LTD
- Address:
- JKsystech
- Address:
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