- saehan steel corp
- Address:dalseo-gu, gangsan bldg 414-1106
- Omega Fast Corporation
- Address:388-6 Gusan-Dong, Ilsan-gu, Goyang City, Gyeonggi-do
- JYH Sales Company
- Address:Gangnam-gu
- Korin Co., Ltd.
- Address:1713-59, Nanjeon-ri, Samho-eup, Yeongam-gun
- DAEJIN PRECISION CO
- Address:106-1 Wolmun-Ri, Paltan-Myun
- NUTS BOLTS FASTNERS & ANCHORS
- Address:Block 5 Street 8
- Sam Woo Precision Ind. Co., Ltd
- Address:9-9, Jukgok-ri,,Jinyeong-eup ,Gimhae-si
- Jeil Medical Corporation
- Address:#702,Kolon Science Valley 2nd, 811, Guro-dong ,Guro-gu
- HWASUNG FASTENERS Co., Ltd.
- Address:# 275, Soju-dong
- Shine Pyung Corporation
- Address:# 1506, Trade Tower, 159-1, Samsung-Dong, Gangnam-Ku, Seoul 135-729, Korea
- DOOSUNG FASTENER CO LTD
- Address:196-9 Wanggil Dong, Seo Gu
- KISUNG INDUSTRY CO.,LTD
- Address:RM504, SANJUNG-BLDG# 15-16 YEOIDO-DONG, YOUNGDEUNPO-GU
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