- JINWOO TRADING CO., LTD.
- Kaolin, tungsten oxide, pet magnetic.
- Address:M1701 Songdo Technopark IT Center, 172-1, Songdo-dong,
- Town Mining Co. Ltd.
- Cobalt,Nickel Alloy,Molybdenum,Tungsten,Secondary Battery (Li-ion / Ploymer / NiMH),Cobalt Oxide Powder.
- Address:260 Gongdandong
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