- Steeldepot Co.,Ltd.
- Address:226-7,Hakjang-dong ,Sasang-gu
- Youngwoo Fasteners Co., Ltd.
- Address:999-7, Doegi-Dong, Ilsanseo-Gu, Goyang-City
- Handuk Industrial Co., Ltd.
- Address:42 Jayumuyeok 4-Gil, Masanhoewon-GU
- BNP
- Address:224-6 moonbong-dong
- Jisco Corp.
- Address:658-9,Bongam-dong ,Masan-si
- J & B Metal Mfg. Company//J&B Trading Company
- Address:expo 407-204, jeonmin-dong, yuseong-gu
- Han Mi Metal Co., Ltd.
- Address:1509-11,Dadae-dong ,Saha-gu
- K&I BEAUTIAN
- Address:Gold House B / D 2F, Mapo-dong, Mapo-gu
- Ki Ryoong Co.
- Address:2fl,#126 samjun-dong,songpa-gu,seoul,korea
- Rewon Systems, Inc.
- Address:1321, 239 Pyeongchondaero, Dongan-gu
- SUHJIN INDUSTRY CO
- Address:No. 530-17, Hadan-dong, Saha-gu
- JISCO
- Address:san14-6 jeokhyun-dong,
- sungha metal
- Address:#3931
- Genesem Inc.
- Address:5-30,Juan-dong ,Nam-gu
- e-Fastener Supplies Ltd.
- Address:# 4-805 Jungang Heitz B / D, Guro-dong, Guro-gu,
- Jinheung Iron & Steel Co., Ltd.
- Address:333-1,Yusan-dong ,Yangsan-si
- world corporation
- Address:417-2 seongnae3-dong
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