- POSCO TMC
- Motor Core,CTL,EI Core.
- Address:670, Daewangpangyo-ro, Bundang-gu,
- Jtech Inc.
- EI Core,Motor Core,Telecommunications Part,Electronics Part,Spring,EI Core / Fan Motor,Motor Core,Spring.
- Address:674-5,Namsan-dong ,Geumjeong-gu
- Daeyoung Electronic Co., Ltd.
- Lamp Ballast,Motor Housing, General Press Parts,Core(EI, BLOCK, GAP, MOTOR, Heat Tempering),Switching Transformer,PCB Assy,Power Transformer.
- Address:116, songhang-ri, Gasan-myeon ,Chilgok-gun
- Tool Arts Korea
- Toroidal transformers and lamination,EI and Ni(permalloy) lamination for the transformer,- Motor and core lamination for the DC automotive motor and AC home appliance motor,Precision tungstein carbide parts,Progressive tungstein carbide Tool&Die.
- Address:194-19,Mundoek-ri ,Seonggeo-eup ,Cheonan-si
- SJC
- Motor core,Die Casting.
- Address:148, Wonsan-ri, Haseong-myeon
- SJC Corporation
- Motor stator,motor rotor,BLDC Motor core.
- Address:148, Wonsan-Ri
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