- Sungshin Electric Co., Ltd.
- UPS, Uninterruptible Power Supply, Power Supply, Transformer.
- Address:694-23, Keumjung-Dong
- Exa E&C Inc.
- Switching Transformer,Slot Transformer,Neon Power Supply,TV (6 ~ 10 inch Color),Remote Control Unit,Steel Laminated Transformer,NTF Series,Monitor (3.5 ~ 6 inch Mono),For Laser Beam Printer (HTD),HTD,For Laser Beam Printer (HTE).
- Address:212-8,Guro-dong ,Guro-gu
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