- Jsb
- Address:Gurobon-dong
- S.B.B Tech Co.,Ltd
- Address:150-10,Ponae-ri, Wolgot-myeon, Gimpo Si
- Kbr Co., Ltd
- Address:46-1,Ungnam-dong ,Changwon-si
- DBG Bearing
- Address:712-1, soto-ri, sangbuk-myeon
- Kns Int Co., Ltd
- Address:#202,Gajwa 1-dong ,Seo-gu
- Dong Yang Electronics Co.Ltd
- Address:572,Jangji-dong ,Gwangju-si
- Samgum Industrial Co., Ltd.
- Address:357-8, Daebyeok-ri, Daegot-myeon, Gimpo-si
- WON ST CO., LTD.
- Address:114, Gasan Digital 2 Road, KeumChun Gu