- Dongnam precesion ind. co., ltd.
- Address:1593-6 Songjeong-Dong Gangseo-Gu
- PETER Corp.
- Address:Jungdong-Wonmigu
- Dong-A Bestech Co., Ltd.
- Address:272-15,Dodang-dong ,Wonmi-gu, Bucheon-si
- Pelecs Co., Ltd.
- Address:25-1 Gajwa-Dong Ilsan-Gu
- Kopla Co., Ltd.
- Address:1352-5,Jeongwang-dong ,Siheung-si
- WOORI TEC
- Address:( 621-833) No. 100, Bugok-Ri, Jangyu-Myen, Kimhae, Kyungnam, South Korea
- Shin Ki Co.Ltd
- Address:130-40,Namsan-dong ,Geumjeong-gu
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