- Seondo Electric Co., Ltd.
- Ion Generator,Ignition Transfomer,Reject Filter,Substation Total Automation System,25.8kV Gas Insulated Switchgear,High Voltage Unit,Vacuum Circuit Breaker,Vacuum Contactors & Combination Starter Units.
- Address:734,Wonsi-dong ,Danwon-gu, Ansan-si
- S.I.E Co.,Ltd.
- Lighting saver 3-phase,SIE-110 digital meter,Lighting saver 1-phase,Lighting saver 3-phase,Lighting saver 3-phase,VCB(Vacuum Circuit Breaker).
- Address:48-1,Pyeongnae-dong ,Namyangju-si
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